| George Bush Intcntl/Houston → EL Paso International IAH–ELP | 1,646 | 100,095 | 83% | 0 | 667 |
| EL Paso International → George Bush Intcntl/Houston ELP–IAH | 1,643 | 98,871 | 82% | 0 | 667 |
| George Bush Intcntl/Houston → Midland International Air And Space Port IAH–MAF | 1,516 | 83,678 | 75% | 0 | 429 |
| Midland International Air And Space Port → George Bush Intcntl/Houston MAF–IAH | 1,513 | 85,584 | 77% | 0 | 429 |
| George Bush Intcntl/Houston → Okc Will Rogers International IAH–OKC | 1,110 | 66,908 | 82% | 0 | 395 |
| Okc Will Rogers International → George Bush Intcntl/Houston OKC–IAH | 1,110 | 63,017 | 77% | 0 | 395 |
| George Bush Intcntl/Houston → Louisville Muhammad Ali International IAH–SDF | 1,055 | 59,676 | 77% | 0 | 788 |
| Louisville Muhammad Ali International → George Bush Intcntl/Houston SDF–IAH | 1,051 | 59,897 | 78% | 0 | 788 |
| George Bush Intcntl/Houston → Monterrey IAH–MTY international | 1,046 | 55,859 | 71% | 0 | 411 |
| Monterrey → George Bush Intcntl/Houston MTY–IAH international | 1,044 | 61,844 | 79% | 0 | 411 |
| George Bush Intcntl/Houston → Kansas City International IAH–MCI | 1,037 | 64,063 | 83% | 0 | 643 |
| Kansas City International → George Bush Intcntl/Houston MCI–IAH | 1,033 | 62,394 | 81% | 0 | 643 |
| Savannah/Hilton Head International → Washington Dulles International SAV–IAD | 921 | 51,987 | 77% | 0 | 516 |
| Washington Dulles International → Savannah/Hilton Head International IAD–SAV | 917 | 53,286 | 80% | 0 | 516 |
| George Bush Intcntl/Houston → Savannah/Hilton Head International IAH–SAV | 910 | 52,851 | 79% | 0 | 851 |
| Savannah/Hilton Head International → George Bush Intcntl/Houston SAV–IAH | 907 | 53,569 | 81% | 0 | 851 |
| George Bush Intcntl/Houston → Northwest Arkansas Ntl IAH–XNA | 867 | 51,524 | 81% | 0 | 438 |
| Northwest Arkansas Ntl → George Bush Intcntl/Houston XNA–IAH | 867 | 50,810 | 80% | 0 | 438 |
| George Bush Intcntl/Houston → Birmingham-Shuttlesworth International IAH–BHM | 855 | 47,116 | 76% | 0 | 562 |
| Birmingham-Shuttlesworth International → George Bush Intcntl/Houston BHM–IAH | 852 | 47,361 | 76% | 0 | 562 |
| George Bush Intcntl/Houston → St. Louis Lambert International IAH–STL | 796 | 47,247 | 82% | 0 | 667 |
| St. Louis Lambert International → George Bush Intcntl/Houston STL–IAH | 796 | 49,022 | 85% | 0 | 667 |
| George Bush Intcntl/Houston → Indianapolis International IAH–IND | 770 | 46,024 | 82% | 0 | 844 |
| Indianapolis International → George Bush Intcntl/Houston IND–IAH | 769 | 47,460 | 85% | 0 | 844 |
| George Bush Intcntl/Houston → Albuquerque International Sunport IAH–ABQ | 742 | 45,960 | 85% | 0 | 744 |
| Albuquerque International Sunport → George Bush Intcntl/Houston ABQ–IAH | 736 | 43,066 | 80% | 0 | 744 |
| Corpus Christi International → George Bush Intcntl/Houston CRP–IAH | 716 | 36,148 | 69% | 0 | 201 |
| Washington Dulles International → Detroit Metro Wayne County IAD–DTW | 713 | 41,120 | 79% | 0 | 383 |
| Detroit Metro Wayne County → Washington Dulles International DTW–IAD | 712 | 40,393 | 78% | 0 | 383 |
| George Bush Intcntl/Houston → Corpus Christi International IAH–CRP | 707 | 35,157 | 68% | 0 | 201 |
| Detroit Metro Wayne County → George Bush Intcntl/Houston DTW–IAH | 684 | 44,405 | 88% | 0 | 1,075 |
| George Bush Intcntl/Houston → Detroit Metro Wayne County IAH–DTW | 684 | 43,665 | 87% | 0 | 1,075 |
| Washington Dulles International → Louisville Muhammad Ali International IAD–SDF | 648 | 36,775 | 77% | 0 | 451 |
| George Bush Intcntl/Houston → Greenville Spartanburg International IAH–GSP | 646 | 39,803 | 84% | 0 | 837 |
| Louisville Muhammad Ali International → Washington Dulles International SDF–IAD | 645 | 36,655 | 77% | 0 | 451 |
| Greenville Spartanburg International → George Bush Intcntl/Houston GSP–IAH | 643 | 40,658 | 86% | 0 | 837 |
| Charlotte/Douglas International → Washington Dulles International CLT–IAD | 642 | 36,920 | 78% | 0 | 322 |
| Washington Dulles International → Charlotte/Douglas International IAD–CLT | 642 | 38,334 | 81% | 0 | 322 |
| General Mitchell International → George Bush Intcntl/Houston MKE–IAH | 634 | 37,456 | 82% | 0 | 984 |
| George Bush Intcntl/Houston → General Mitchell International IAH–MKE | 631 | 37,247 | 82% | 0 | 984 |
| George Bush Intcntl/Houston → Richmond International IAH–RIC | 625 | 39,393 | 86% | 0 | 1,157 |
| Richmond International → George Bush Intcntl/Houston RIC–IAH | 624 | 39,361 | 86% | 0 | 1,157 |
| Baton Rouge Metro, Ryan Field → George Bush Intcntl/Houston BTR–IAH | 616 | 31,865 | 71% | 0 | 253 |
| George Bush Intcntl/Houston → Baton Rouge Metro, Ryan Field IAH–BTR | 613 | 30,690 | 69% | 0 | 253 |
| George Bush Intcntl/Houston → Aguascalientes IAH–AGU international | 611 | 35,753 | 78% | 0 | 717 |
| Aguascalientes → George Bush Intcntl/Houston AGU–IAH international | 610 | 36,545 | 79% | 0 | 717 |
| George Bush Intcntl/Houston → Jacksonville International IAH–JAX | 595 | 37,502 | 86% | 0 | 816 |
| Tulsa International → George Bush Intcntl/Houston TUL–IAH | 593 | 32,964 | 77% | 0 | 429 |
| George Bush Intcntl/Houston → Tulsa International IAH–TUL | 592 | 35,390 | 82% | 0 | 429 |
| Jacksonville International → George Bush Intcntl/Houston JAX–IAH | 591 | 37,705 | 87% | 0 | 816 |
| Northwest Florida Beaches International → George Bush Intcntl/Houston ECP–IAH | 565 | 29,484 | 71% | 0 | 572 |
| Kansas City International → Washington Dulles International MCI–IAD | 565 | 34,145 | 81% | 0 | 926 |
| Washington Dulles International → Kansas City International IAD–MCI | 564 | 35,479 | 84% | 0 | 926 |
| George Bush Intcntl/Houston → Northwest Florida Beaches International IAH–ECP | 558 | 30,188 | 74% | 0 | 572 |
| George Bush Intcntl/Houston → Charlotte/Douglas International IAH–CLT | 556 | 35,117 | 86% | 0 | 912 |
| Charlotte/Douglas International → George Bush Intcntl/Houston CLT–IAH | 555 | 35,571 | 87% | 0 | 912 |
| Frederick W Smith Intl/Memphis → George Bush Intcntl/Houston MEM–IAH | 525 | 29,549 | 77% | 0 | 468 |
| George Bush Intcntl/Houston → Frederick W Smith Intl/Memphis IAH–MEM | 522 | 31,029 | 81% | 0 | 468 |
| George Bush Intcntl/Houston → Tucson International IAH–TUS | 512 | 31,241 | 83% | 0 | 937 |
| Tucson International → George Bush Intcntl/Houston TUS–IAH | 510 | 32,286 | 86% | 0 | 937 |
| Lafayette Rgnl/Paul Fournet Field → George Bush Intcntl/Houston LFT–IAH | 497 | 27,122 | 75% | 0 | 201 |
| George Bush Intcntl/Houston → Lafayette Rgnl/Paul Fournet Field IAH–LFT | 493 | 25,656 | 71% | 0 | 201 |
| MC Allen International → George Bush Intcntl/Houston MFE–IAH | 490 | 29,451 | 82% | 0 | 316 |
| George Bush Intcntl/Houston → MC Allen International IAH–MFE | 489 | 29,691 | 83% | 0 | 316 |
| San Antonio International → George Bush Intcntl/Houston SAT–IAH | 485 | 25,002 | 71% | 0 | 191 |
| George Bush Intcntl/Houston → San Antonio International IAH–SAT | 479 | 30,690 | 88% | 0 | 191 |
| George Bush Intcntl/Houston → Leon/Guanajuato IAH–BJX international | 475 | 30,132 | 84% | 0 | 728 |
| George Bush Intcntl/Houston → Charleston Afb/Intl IAH–CHS | 474 | 28,868 | 83% | 0 | 925 |
| George Bush Intcntl/Houston → City Of Colorado Springs Municipal IAH–COS | 474 | 27,862 | 81% | 0 | 809 |
| Charleston Afb/Intl → George Bush Intcntl/Houston CHS–IAH | 473 | 29,560 | 86% | 0 | 925 |
| Leon/Guanajuato → George Bush Intcntl/Houston BJX–IAH international | 471 | 28,308 | 80% | 0 | 728 |
| City Of Colorado Springs Municipal → George Bush Intcntl/Houston COS–IAH | 470 | 28,857 | 84% | 0 | 809 |
| George Bush Intcntl/Houston → John Glenn Columbus International IAH–CMH | 464 | 27,421 | 81% | 0 | 986 |
| John Glenn Columbus International → George Bush Intcntl/Houston CMH–IAH | 463 | 29,493 | 87% | 0 | 986 |
| Washington Dulles International → Laguardia IAD–LGA | 420 | 25,792 | 83% | 0 | 228 |
| Laguardia → Washington Dulles International LGA–IAD | 418 | 24,904 | 80% | 0 | 228 |
| Nashville International → George Bush Intcntl/Houston BNA–IAH | 398 | 25,154 | 86% | 0 | 657 |
| George Bush Intcntl/Houston → Nashville International IAH–BNA | 397 | 25,045 | 86% | 0 | 657 |
| Des Moines International → George Bush Intcntl/Houston DSM–IAH | 375 | 22,655 | 83% | 0 | 802 |
| George Bush Intcntl/Houston → Des Moines International IAH–DSM | 375 | 23,438 | 86% | 0 | 802 |
| Washington Dulles International → Indianapolis International IAD–IND | 368 | 21,263 | 79% | 0 | 476 |
| Indianapolis International → Washington Dulles International IND–IAD | 366 | 19,119 | 71% | 0 | 476 |
| Hartsfield/Jackson Atlanta International → George Bush Intcntl/Houston ATL–IAH | 364 | 22,667 | 84% | 0 | 689 |
| George Bush Intcntl/Houston → Tampico IAH–TAM international | 363 | 18,893 | 69% | 0 | 552 |
| George Bush Intcntl/Houston → Hartsfield/Jackson Atlanta International IAH–ATL | 362 | 22,010 | 83% | 0 | 689 |
| Tampico → George Bush Intcntl/Houston TAM–IAH international | 362 | 18,931 | 69% | 0 | 552 |
| Gerald R Ford International → George Bush Intcntl/Houston GRR–IAH | 359 | 22,264 | 86% | 0 | 1,042 |
| George Bush Intcntl/Houston → Cincinnati/Northern Kentucky International IAH–CVG | 359 | 21,547 | 82% | 0 | 871 |
| George Bush Intcntl/Houston → Gerald R Ford International IAH–GRR | 359 | 21,670 | 83% | 0 | 1,042 |
| Cincinnati/Northern Kentucky International → George Bush Intcntl/Houston CVG–IAH | 358 | 23,341 | 89% | 0 | 871 |
| George Bush Intcntl/Houston → Raleigh-Durham International IAH–RDU | 336 | 20,730 | 85% | 0 | 1,042 |
| Raleigh-Durham International → George Bush Intcntl/Houston RDU–IAH | 336 | 22,609 | 92% | 0 | 1,042 |
| Washington Dulles International → Cleveland-Hopkins International IAD–CLE | 325 | 18,872 | 79% | 0 | 287 |
| Cleveland-Hopkins International → Washington Dulles International CLE–IAD | 324 | 20,225 | 84% | 0 | 287 |
| George Bush Intcntl/Houston → Minneapolis-St Paul Intl/Wold-Chamberlain IAH–MSP | 317 | 20,591 | 89% | 0 | 1,034 |
| Minneapolis-St Paul Intl/Wold-Chamberlain → George Bush Intcntl/Houston MSP–IAH | 315 | 20,083 | 87% | 0 | 1,034 |
| Dallas-Fort Worth International → George Bush Intcntl/Houston DFW–IAH | 310 | 18,334 | 80% | 0 | 224 |
| George Bush Intcntl/Houston → Dallas-Fort Worth International IAH–DFW | 310 | 19,284 | 84% | 0 | 224 |
| Oaxaca → George Bush Intcntl/Houston OAX–IAH international | 309 | 18,612 | 80% | 0 | 898 |
| George Bush Intcntl/Houston → Oaxaca IAH–OAX international | 306 | 20,288 | 88% | 0 | 898 |
| George Bush Intcntl/Houston → Bill And Hillary Clinton Ntl/Adams Field IAH–LIT | 277 | 15,904 | 78% | 0 | 374 |
| George Bush Intcntl/Houston → Lubbock Preston Smith International IAH–LBB | 274 | 14,832 | 74% | 0 | 457 |
| Bill And Hillary Clinton Ntl/Adams Field → George Bush Intcntl/Houston LIT–IAH | 274 | 16,901 | 84% | 0 | 374 |
| Lubbock Preston Smith International → George Bush Intcntl/Houston LBB–IAH | 273 | 14,929 | 75% | 0 | 457 |
| Washington Dulles International → John Glenn Columbus International IAD–CMH | 271 | 16,157 | 81% | 0 | 299 |
| John Glenn Columbus International → Washington Dulles International CMH–IAD | 270 | 16,345 | 82% | 0 | 299 |
| Norfolk International → George Bush Intcntl/Houston ORF–IAH | 270 | 16,302 | 83% | 0 | 1,201 |
| Guadalajara → George Bush Intcntl/Houston GDL–IAH international | 268 | 17,064 | 84% | 0 | 820 |
| George Bush Intcntl/Houston → Guadalajara IAH–GDL international | 268 | 18,257 | 90% | 0 | 820 |
| George Bush Intcntl/Houston → Norfolk International IAH–ORF | 268 | 16,479 | 85% | 0 | 1,201 |
| George Bush Intcntl/Houston → MC Ghee Tyson IAH–TYS | 266 | 15,722 | 82% | 0 | 771 |
| MC Ghee Tyson → George Bush Intcntl/Houston TYS–IAH | 264 | 15,980 | 84% | 0 | 771 |
| Washington Dulles International → Rhode Island TF Green International IAD–PVD | 262 | 16,250 | 85% | 0 | 371 |
| Rhode Island TF Green International → Washington Dulles International PVD–IAD | 262 | 15,820 | 83% | 0 | 371 |
| South Bend International → Washington Dulles International SBN–IAD | 262 | 13,804 | 72% | 0 | 504 |
| George Bush Intcntl/Houston → Pittsburgh International IAH–PIT | 260 | 15,854 | 83% | 0 | 1,117 |
| Pittsburgh International → George Bush Intcntl/Houston PIT–IAH | 257 | 17,021 | 90% | 0 | 1,117 |
| Washington Dulles International → Norfolk International IAD–ORF | 256 | 14,982 | 79% | 0 | 158 |
| Washington Dulles International → South Bend International IAD–SBN | 256 | 11,557 | 62% | 0 | 504 |
| Norfolk International → Washington Dulles International ORF–IAD | 256 | 14,856 | 79% | 0 | 158 |
| Washington Dulles International → Bradley International IAD–BDL | 249 | 16,247 | 89% | 0 | 325 |
| Minneapolis-St Paul Intl/Wold-Chamberlain → Washington Dulles International MSP–IAD | 249 | 15,821 | 87% | 0 | 907 |
| Washington Dulles International → Minneapolis-St Paul Intl/Wold-Chamberlain IAD–MSP | 248 | 14,051 | 77% | 0 | 907 |
| Bradley International → Washington Dulles International BDL–IAD | 247 | 15,259 | 84% | 0 | 325 |
| Laguardia → George Bush Intcntl/Houston LGA–IAH | 240 | 13,495 | 77% | 0 | 1,416 |
| George Bush Intcntl/Houston → Laguardia IAH–LGA | 238 | 14,157 | 82% | 0 | 1,416 |
| George Bush Intcntl/Houston → Salt Lake City International IAH–SLC | 232 | 14,725 | 88% | 0 | 1,195 |
| Salt Lake City International → George Bush Intcntl/Houston SLC–IAH | 232 | 13,205 | 78% | 0 | 1,195 |
| Wichita Dwight D Eisenhower Ntl → George Bush Intcntl/Houston ICT–IAH | 218 | 12,661 | 79% | 0 | 542 |
| George Bush Intcntl/Houston → Wichita Dwight D Eisenhower Ntl IAH–ICT | 217 | 12,791 | 80% | 0 | 542 |
| Washington Dulles International → Charleston Afb/Intl IAD–CHS | 204 | 12,530 | 85% | 0 | 442 |
| Palm Springs International → George Bush Intcntl/Houston PSP–IAH | 204 | 12,906 | 87% | 0 | 1,269 |
| Charleston Afb/Intl → Washington Dulles International CHS–IAD | 203 | 10,912 | 74% | 0 | 442 |
| George Bush Intcntl/Houston → Palm Springs International IAH–PSP | 201 | 12,074 | 82% | 0 | 1,269 |
| Cleveland-Hopkins International → George Bush Intcntl/Houston CLE–IAH | 199 | 11,094 | 77% | 0 | 1,091 |
| George Bush Intcntl/Houston → Cleveland-Hopkins International IAH–CLE | 199 | 13,203 | 91% | 0 | 1,091 |
| George Bush Intcntl/Houston → Eppley Airfield IAH–OMA | 195 | 12,388 | 87% | 0 | 781 |
| Eppley Airfield → George Bush Intcntl/Houston OMA–IAH | 194 | 11,853 | 83% | 0 | 781 |
| George Bush Intcntl/Houston → Montrose Regional IAH–MTJ | 193 | 10,744 | 74% | 0 | 927 |
| Montrose Regional → George Bush Intcntl/Houston MTJ–IAH | 191 | 11,907 | 83% | 0 | 927 |
| George Bush Intcntl/Houston → Morelia IAH–MLM international | 178 | 10,311 | 77% | 0 | 783 |
| Morelia → George Bush Intcntl/Houston MLM–IAH international | 177 | 9,596 | 72% | 0 | 783 |
| Austin-Bergstrom International → George Bush Intcntl/Houston AUS–IAH | 173 | 10,316 | 82% | 0 | 140 |
| Jacksonville International → Washington Dulles International JAX–IAD | 173 | 10,743 | 82% | 0 | 631 |
| Pensacola International → George Bush Intcntl/Houston PNS–IAH | 173 | 10,535 | 84% | 0 | 489 |
| Washington Dulles International → Jacksonville International IAD–JAX | 172 | 11,284 | 87% | 0 | 631 |
| George Bush Intcntl/Houston → Pensacola International IAH–PNS | 169 | 10,107 | 82% | 0 | 489 |
| George Bush Intcntl/Houston → Austin-Bergstrom International IAH–AUS | 162 | 9,667 | 83% | 0 | 140 |
| George Bush Intcntl/Houston → Valley International IAH–HRL | 162 | 8,799 | 73% | 0 | 295 |
| Valley International → George Bush Intcntl/Houston HRL–IAH | 161 | 9,193 | 77% | 0 | 295 |
| Washington Dulles International → Pittsburgh International IAD–PIT | 160 | 9,557 | 82% | 0 | 182 |
| Pittsburgh International → Washington Dulles International PIT–IAD | 159 | 9,819 | 85% | 0 | 182 |
| Queretaro → George Bush Intcntl/Houston QRO–IAH international | 150 | 9,830 | 87% | 0 | 712 |
| George Bush Intcntl/Houston → Queretaro IAH–QRO international | 149 | 10,450 | 93% | 0 | 712 |
| George Bush Intcntl/Houston → Louis Armstrong New Orleans International IAH–MSY | 140 | 8,840 | 86% | 0 | 305 |
| Louis Armstrong New Orleans International → George Bush Intcntl/Houston MSY–IAH | 139 | 7,321 | 72% | 0 | 305 |
| George Bush Intcntl/Houston → Puerto Escondido IAH–PXM international | 130 | 8,404 | 85% | 0 | 977 |
| Puerto Escondido → George Bush Intcntl/Houston PXM–IAH international | 130 | 8,868 | 90% | 0 | 977 |
| Washington Dulles International → Cincinnati/Northern Kentucky International IAD–CVG | 126 | 7,438 | 81% | 0 | 388 |
| Cincinnati/Northern Kentucky International → Washington Dulles International CVG–IAD | 125 | 7,251 | 80% | 0 | 388 |
| Gunnison-Crested Butte Regional → George Bush Intcntl/Houston GUC–IAH | 121 | 6,203 | 69% | 0 | 886 |
| George Bush Intcntl/Houston → Gunnison-Crested Butte Regional IAH–GUC | 120 | 5,884 | 66% | 0 | 886 |
| Buffalo Niagara International → Washington Dulles International BUF–IAD | 106 | 6,225 | 80% | 0 | 283 |
| Washington Dulles International → Buffalo Niagara International IAD–BUF | 106 | 6,244 | 81% | 0 | 283 |
| George Bush Intcntl/Houston → Philadelphia International IAH–PHL | 99 | 6,703 | 91% | 0 | 1,325 |
| Washington Dulles International → Raleigh-Durham International IAD–RDU | 98 | 6,379 | 87% | 0 | 225 |
| Philadelphia International → George Bush Intcntl/Houston PHL–IAH | 98 | 6,375 | 87% | 0 | 1,325 |
| Raleigh-Durham International → Washington Dulles International RDU–IAD | 98 | 6,202 | 84% | 0 | 225 |
| Washington Dulles International → MC Ghee Tyson IAD–TYS | 93 | 5,004 | 75% | 0 | 420 |
| MC Ghee Tyson → Washington Dulles International TYS–IAD | 93 | 5,112 | 76% | 0 | 420 |
| Washington Dulles International → Hartsfield/Jackson Atlanta International IAD–ATL | 89 | 4,618 | 69% | 0 | 534 |
| George Bush Intcntl/Houston → Jackson-Medgar Wiley Evers International IAH–JAN | 89 | 4,665 | 71% | 0 | 351 |
| Jackson-Medgar Wiley Evers International → George Bush Intcntl/Houston JAN–IAH | 89 | 4,663 | 71% | 0 | 351 |
| Hartsfield/Jackson Atlanta International → Washington Dulles International ATL–IAD | 88 | 4,215 | 65% | 0 | 534 |
| George Bush Intcntl/Houston → Yampa Valley IAH–HDN | 87 | 4,723 | 73% | 0 | 985 |
| Yampa Valley → George Bush Intcntl/Houston HDN–IAH | 86 | 5,334 | 83% | 0 | 985 |
| George Bush Intcntl/Houston → Key West International IAH–EYW | 86 | 5,197 | 80% | 0 | 915 |
| Washington Dulles International → Frederick Douglass/Greater Rochester International IAD–ROC | 85 | 4,512 | 72% | 0 | 287 |
| Frederick Douglass/Greater Rochester International → Washington Dulles International ROC–IAD | 85 | 5,332 | 85% | 0 | 287 |
| Austin-Bergstrom International → Washington Dulles International AUS–IAD | 83 | 5,257 | 87% | 0 | 1,297 |
| Washington Dulles International → Austin-Bergstrom International IAD–AUS | 83 | 5,319 | 88% | 0 | 1,297 |
| Key West International → George Bush Intcntl/Houston EYW–IAH | 80 | 4,815 | 79% | 0 | 915 |
| George Bush Intcntl/Houston → Sarasota/Bradenton International IAH–SRQ | 79 | 5,094 | 85% | 0 | 796 |
| Sarasota/Bradenton International → George Bush Intcntl/Houston SRQ–IAH | 79 | 5,065 | 84% | 0 | 796 |
| Washington Dulles International → Philadelphia International IAD–PHL | 77 | 3,900 | 71% | 0 | 135 |
| Philadelphia International → Washington Dulles International PHL–IAD | 77 | 4,058 | 73% | 0 | 135 |
| Washington Dulles International → Syracuse Hancock International IAD–SYR | 76 | 4,510 | 81% | 0 | 295 |
| Syracuse Hancock International → Washington Dulles International SYR–IAD | 76 | 4,827 | 86% | 0 | 295 |
| Patrick Leahy Burlington International → Washington Dulles International BTV–IAD | 73 | 3,735 | 70% | 0 | 441 |
| Baltimore/Washington International Thurgood Marshall → George Bush Intcntl/Houston BWI–IAH | 73 | 4,996 | 92% | 0 | 1,235 |
| Washington Dulles International → Patrick Leahy Burlington International IAD–BTV | 73 | 4,226 | 79% | 0 | 441 |
| George Bush Intcntl/Houston → Baltimore/Washington International Thurgood Marshall IAH–BWI | 72 | 4,638 | 86% | 0 | 1,235 |
| Acapulco → George Bush Intcntl/Houston ACA–IAH international | 67 | 4,319 | 85% | 0 | 952 |
| George Bush Intcntl/Houston → Acapulco IAH–ACA international | 67 | 4,279 | 84% | 0 | 952 |
| George Bush Intcntl/Houston → Ixtapa/Zihuatanejo IAH–ZIH international | 66 | 3,657 | 73% | 0 | 936 |
| Ixtapa/Zihuatanejo → George Bush Intcntl/Houston ZIH–IAH international | 66 | 4,016 | 81% | 0 | 936 |
| Mobile Regional → George Bush Intcntl/Houston MOB–IAH | 46 | 2,465 | 74% | 0 | 427 |
| George Bush Intcntl/Houston → Mobile Regional IAH–MOB | 45 | 2,439 | 75% | 0 | 427 |
| Washington Dulles International → San Antonio International IAD–SAT | 44 | 2,807 | 87% | 0 | 1,362 |
| San Antonio International → Washington Dulles International SAT–IAD | 44 | 2,914 | 90% | 0 | 1,362 |
| Washington Dulles International → Louis Armstrong New Orleans International IAD–MSY | 41 | 2,708 | 88% | 0 | 955 |
| Louis Armstrong New Orleans International → Washington Dulles International MSY–IAD | 41 | 2,920 | 95% | 0 | 955 |
| Richmond International → Washington Dulles International RIC–IAD | 40 | 2,675 | 89% | 0 | 100 |
| Washington Dulles International → Richmond International IAD–RIC | 38 | 1,917 | 67% | 0 | 100 |
| Key West International → Washington Dulles International EYW–IAD | 36 | 1,796 | 68% | 0 | 1,024 |
| Washington Dulles International → Key West International IAD–EYW | 35 | 1,753 | 68% | 0 | 1,024 |
| George Bush Intcntl/Houston → Manzanillo IAH–ZLO international | 33 | 1,758 | 71% | 0 | 944 |
| Manzanillo → George Bush Intcntl/Houston ZLO–IAH international | 33 | 2,031 | 82% | 0 | 944 |
| George Bush Intcntl/Houston → Tepic IAH–TPQ international | 32 | 1,028 | 43% | 0 | 835 |
| Tepic → George Bush Intcntl/Houston TPQ–IAH international | 32 | 887 | 37% | 0 | 835 |
| George Bush Intcntl/Houston → Mazatlan IAH–MZT international | 31 | 1,569 | 69% | 0 | 823 |
| Mazatlan → George Bush Intcntl/Houston MZT–IAH international | 31 | 1,921 | 84% | 0 | 823 |
| Durango-La Plata County → George Bush Intcntl/Houston DRO–IAH | 27 | 1,518 | 77% | 0 | 869 |
| George Bush Intcntl/Houston → Durango-La Plata County IAH–DRO | 27 | 1,627 | 83% | 0 | 869 |
| Dallas-Fort Worth International → Washington Dulles International DFW–IAD | 26 | 1,754 | 92% | 0 | 1,172 |
| Washington Dulles International → Dallas-Fort Worth International IAD–DFW | 25 | 1,536 | 84% | 0 | 1,172 |
| Bozeman Yellowstone International → George Bush Intcntl/Houston BZN–IAH | 20 | 1,205 | 83% | 0 | 1,385 |
| George Bush Intcntl/Houston → Bozeman Yellowstone International IAH–BZN | 20 | 1,193 | 82% | 0 | 1,385 |
| Nashville International → Washington Dulles International BNA–IAD | 19 | 1,127 | 81% | 0 | 542 |
| Washington Dulles International → Nashville International IAD–BNA | 19 | 1,221 | 86% | 0 | 542 |
| Brownsville/South Padre Island International → George Bush Intcntl/Houston BRO–IAH | 18 | 808 | 62% | 0 | 308 |
| George Bush Intcntl/Houston → Brownsville/South Padre Island International IAH–BRO | 17 | 885 | 72% | 0 | 308 |
| George Bush Intcntl/Houston → West Palm Beach/Palm Beach IAH–PBI | 16 | 1,088 | 89% | 0 | 956 |
| West Palm Beach/Palm Beach → George Bush Intcntl/Houston PBI–IAH | 16 | 1,098 | 90% | 0 | 956 |
| George Bush Intcntl/Houston → Cherry Capital IAH–TVC | 15 | 931 | 87% | 0 | 1,149 |
| Cherry Capital → George Bush Intcntl/Houston TVC–IAH | 15 | 863 | 80% | 0 | 1,149 |
| Shreveport Regional → George Bush Intcntl/Houston SHV–IAH | 14 | 644 | 64% | 0 | 192 |
| George Bush Intcntl/Houston → Shreveport Regional IAH–SHV | 12 | 646 | 75% | 0 | 192 |
| Patrick Leahy Burlington International → George Bush Intcntl/Houston BTV–IAH | 10 | 606 | 85% | 0 | 1,570 |
| Washington Dulles International → Myrtle Beach International IAD–MYR | 10 | 517 | 70% | 0 | 373 |
| George Bush Intcntl/Houston → Patrick Leahy Burlington International IAH–BTV | 10 | 585 | 82% | 0 | 1,570 |
| Myrtle Beach International → Washington Dulles International MYR–IAD | 10 | 522 | 70% | 0 | 373 |
| Greenville Spartanburg International → Washington Dulles International GSP–IAD | 6 | 385 | 88% | 0 | 384 |
| Washington Dulles International → Greenville Spartanburg International IAD–GSP | 6 | 396 | 89% | 0 | 384 |
| Washington Dulles International → George Bush Intcntl/Houston IAD–IAH | 5 | 98 | 27% | 0 | 1,190 |
| Washington Dulles International → Roanoke/Blacksburg Regional (Woodrum Field) IAD–ROA | 5 | 137 | 37% | 0 | 177 |
| Washington Dulles International → Cherry Capital IAD–TVC | 5 | 357 | 94% | 0 | 578 |
| Roanoke/Blacksburg Regional (Woodrum Field) → Washington Dulles International ROA–IAD | 5 | 195 | 53% | 0 | 177 |
| Cherry Capital → Washington Dulles International TVC–IAD | 5 | 258 | 68% | 0 | 578 |
| Albuquerque International Sunport → Austin-Bergstrom International ABQ–AUS | 3 | 126 | 58% | 0 | 619 |
| George Bush Intcntl/Houston → Washington Dulles International IAH–IAD | 3 | 152 | 70% | 0 | 1,190 |
| Wichita Dwight D Eisenhower Ntl → Kansas City International ICT–MCI | 3 | 76 | 33% | 0 | 186 |
| Midland International Air And Space Port → EL Paso International MAF–ELP | 3 | 102 | 47% | 0 | 245 |
| EL Paso International → Austin-Bergstrom International ELP–AUS | 2 | 125 | 86% | 0 | 528 |
| Key West International → Northwest Florida Beaches International EYW–ECP | 2 | 114 | 75% | 0 | 470 |
| Key West International → Pensacola International EYW–PNS | 2 | 137 | 90% | 0 | 526 |
| George Bush Intcntl/Houston → Los Angeles International IAH–LAX | 2 | 123 | 84% | 0 | 1,379 |
| George Bush Intcntl/Houston → Phoenix Sky Harbor International IAH–PHX | 2 | 121 | 83% | 0 | 1,009 |
| Los Angeles International → Palm Springs International LAX–PSP | 2 | 55 | 38% | 0 | 110 |
| Lake Charles Regional → George Bush Intcntl/Houston LCH–IAH | 2 | 141 | 97% | 0 | 127 |
| Okc Will Rogers International → Corpus Christi International OKC–CRP | 2 | 80 | 57% | 0 | 526 |
| Savannah/Hilton Head International → Corpus Christi International SAV–CRP | 2 | 63 | 43% | 0 | 1,022 |
| Louisville Muhammad Ali International → Dallas-Fort Worth International SDF–DFW | 2 | 98 | 70% | 0 | 733 |
| Albuquerque International Sunport → Gunnison-Crested Butte Regional ABQ–GUC | 1 | 71 | 93% | 0 | 242 |
| Albuquerque International Sunport → Midland International Air And Space Port ABQ–MAF | 1 | 30 | 43% | 0 | 332 |
| Aguascalientes → Corpus Christi International AGU–CRP international | 1 | 47 | 67% | 0 | 515 |
| Albany International → Washington Dulles International ALB–IAD | 1 | 17 | 22% | 0 | 324 |
| Rick Husband Amarillo International → George Bush Intcntl/Houston AMA–IAH | 1 | 0 | 0% | 0 | 518 |
| Hartsfield/Jackson Atlanta International → Pensacola International ATL–PNS | 1 | 54 | 77% | 0 | 272 |
| Hartsfield/Jackson Atlanta International → Savannah/Hilton Head International ATL–SAV | 1 | 0 | 0% | 0 | 215 |
| Austin-Bergstrom International → San Antonio International AUS–SAT | 1 | 68 | 89% | 0 | 66 |
| Birmingham-Shuttlesworth International → Hartsfield/Jackson Atlanta International BHM–ATL | 1 | 0 | 0% | 0 | 134 |
| Birmingham-Shuttlesworth International → Baton Rouge Metro, Ryan Field BHM–BTR | 1 | 68 | 89% | 0 | 332 |
| Birmingham-Shuttlesworth International → Lafayette Rgnl/Paul Fournet Field BHM–LFT | 1 | 71 | 93% | 0 | 385 |
| Birmingham-Shuttlesworth International → Frederick W Smith Intl/Memphis BHM–MEM | 1 | 0 | 0% | 0 | 211 |
| Leon/Guanajuato → Easterwood Field BJX–CLL international | 1 | 72 | 95% | 0 | 733 |
| Leon/Guanajuato → MC Allen International BJX–MFE international | 1 | 48 | 63% | 0 | 412 |
| Nashville International → Laguardia BNA–LGA | 1 | 62 | 82% | 0 | 764 |
| Baton Rouge Metro, Ryan Field → Birmingham-Shuttlesworth International BTR–BHM | 1 | 43 | 61% | 0 | 332 |
| Baton Rouge Metro, Ryan Field → Northwest Arkansas Ntl BTR–XNA | 1 | 68 | 89% | 0 | 436 |
| Charlottesville-Albemarle → Washington Dulles International CHO–IAD | 1 | 76 | 100% | 0 | 78 |
| Charleston Afb/Intl → Baton Rouge Metro, Ryan Field CHS–BTR | 1 | 44 | 63% | 0 | 674 |
| Charleston Afb/Intl → Savannah/Hilton Head International CHS–SAV | 1 | 0 | 0% | 0 | 86 |
| Cleveland-Hopkins International → Detroit Metro Wayne County CLE–DTW | 1 | 0 | 0% | 0 | 95 |
| Cleveland-Hopkins International → Frederick W Smith Intl/Memphis CLE–MEM | 1 | 53 | 70% | 0 | 623 |
| Easterwood Field → George Bush Intcntl/Houston CLL–IAH | 1 | 72 | 95% | 0 | 74 |
| Charlotte/Douglas International → Hartsfield/Jackson Atlanta International CLT–ATL | 1 | 64 | 84% | 0 | 226 |
| Charlotte/Douglas International → Raleigh-Durham International CLT–RDU | 1 | 64 | 84% | 0 | 130 |
| Charlotte/Douglas International → Savannah/Hilton Head International CLT–SAV | 1 | 0 | 0% | 0 | 213 |
| City Of Colorado Springs Municipal → Austin-Bergstrom International COS–AUS | 1 | 62 | 89% | 0 | 716 |
| City Of Colorado Springs Municipal → Dallas-Fort Worth International COS–DFW | 1 | 39 | 56% | 0 | 592 |
| City Of Colorado Springs Municipal → Gunnison-Crested Butte Regional COS–GUC | 1 | 0 | 0% | 0 | 122 |
| Corpus Christi International → MC Allen International CRP–MFE | 1 | 0 | 0% | 0 | 118 |
| Cincinnati/Northern Kentucky International → John Glenn Columbus International CVG–CMH | 1 | 0 | 0% | 0 | 115 |
| Cincinnati/Northern Kentucky International → South Bend International CVG–SBN | 1 | 70 | 100% | 0 | 203 |
| Denver International → Yampa Valley DEN–HDN | 1 | 59 | 78% | 0 | 141 |
| Dallas-Fort Worth International → General Mitchell International DFW–MKE | 1 | 0 | 0% | 0 | 853 |
| Dallas-Fort Worth International → Okc Will Rogers International DFW–OKC | 1 | 0 | 0% | 0 | 175 |
| Dallas-Fort Worth International → Tulsa International DFW–TUL | 1 | 62 | 89% | 0 | 237 |
| Des Moines International → Austin-Bergstrom International DSM–AUS | 1 | 68 | 97% | 0 | 813 |
| Detroit Metro Wayne County → General Mitchell International DTW–MKE | 1 | 0 | 0% | 0 | 237 |
| Detroit Metro Wayne County → San Antonio International DTW–SAT | 1 | 60 | 86% | 0 | 1,214 |
| EL Paso International → Midland International Air And Space Port ELP–MAF | 1 | 61 | 87% | 0 | 245 |
| EL Paso International → San Antonio International ELP–SAT | 1 | 62 | 82% | 0 | 496 |
| EL Paso International → Salt Lake City International ELP–SLC | 1 | 0 | 0% | 0 | 693 |
| Key West International → Baton Rouge Metro, Ryan Field EYW–BTR | 1 | 61 | 80% | 0 | 708 |
| Greenville Spartanburg International → Baltimore/Washington International Thurgood Marshall GSP–BWI | 1 | 0 | 0% | 0 | 426 |
| Yampa Valley → MC Allen International HDN–MFE | 1 | 60 | 86% | 0 | 1,113 |
| Valley International → Corpus Christi International HRL–CRP | 1 | 74 | 97% | 0 | 106 |
| Washington Dulles International → Albany International IAD–ALB | 1 | 29 | 38% | 0 | 324 |
| Washington Dulles International → Wichita Dwight D Eisenhower Ntl IAD–ICT | 1 | 76 | 100% | 0 | 1,087 |
| Washington Dulles International → Blue Grass IAD–LEX | 1 | 64 | 84% | 0 | 392 |
| Washington Dulles International → Frederick W Smith Intl/Memphis IAD–MEM | 1 | 71 | 93% | 0 | 742 |
| Washington Dulles International → West Palm Beach/Palm Beach IAD–PBI | 1 | 34 | 45% | 0 | 859 |
| George Bush Intcntl/Houston → Rick Husband Amarillo International IAH–AMA | 1 | 0 | 0% | 0 | 518 |
| George Bush Intcntl/Houston → Denver International IAH–DEN | 1 | 59 | 78% | 0 | 861 |
| George Bush Intcntl/Houston → Dane County Rgnl/Truax Field IAH–MSN | 1 | 59 | 84% | 0 | 966 |
| George Bush Intcntl/Houston → Jesse Viertel Memorial IAH–VER international | 1 | 73 | 96% | 0 | 748 |
| Wichita Dwight D Eisenhower Ntl → Okc Will Rogers International ICT–OKC | 1 | 0 | 0% | 0 | 156 |
| Indianapolis International → San Antonio International IND–SAT | 1 | 68 | 97% | 0 | 985 |
| Indianapolis International → South Bend International IND–SBN | 1 | 64 | 84% | 0 | 137 |
| Jacksonville International → Charleston Afb/Intl JAX–CHS | 1 | 53 | 76% | 0 | 192 |
| Lubbock Preston Smith International → San Antonio International LBB–SAT | 1 | 44 | 58% | 0 | 346 |
| Blue Grass → Louisville Muhammad Ali International LEX–SDF | 1 | 0 | 0% | 0 | 62 |
| Laguardia → Nashville International LGA–BNA | 1 | 67 | 96% | 0 | 764 |
| Bill And Hillary Clinton Ntl/Adams Field → Hartsfield/Jackson Atlanta International LIT–ATL | 1 | 65 | 93% | 0 | 453 |
| Bill And Hillary Clinton Ntl/Adams Field → Louisville Muhammad Ali International LIT–SDF | 1 | 0 | 0% | 0 | 432 |
| Kansas City International → Austin-Bergstrom International MCI–AUS | 1 | 76 | 100% | 0 | 650 |
| Kansas City International → Corpus Christi International MCI–CRP | 1 | 51 | 67% | 0 | 811 |
| Kansas City International → Dallas-Fort Worth International MCI–DFW | 1 | 68 | 97% | 0 | 460 |
| Kansas City International → Des Moines International MCI–DSM | 1 | 45 | 59% | 0 | 164 |
| Kansas City International → Lake Charles Regional MCI–LCH | 1 | 73 | 96% | 0 | 638 |
| Kansas City International → Richmond International MCI–RIC | 1 | 42 | 55% | 0 | 950 |
| Kansas City International → San Antonio International MCI–SAT | 1 | 53 | 70% | 0 | 706 |
| Frederick W Smith Intl/Memphis → Austin-Bergstrom International MEM–AUS | 1 | 0 | 0% | 0 | 559 |
| Frederick W Smith Intl/Memphis → Nashville International MEM–BNA | 1 | 0 | 0% | 0 | 200 |
| MC Allen International → Monterrey MFE–MTY international | 1 | 25 | 36% | 0 | 119 |
| MC Allen International → Oaxaca MFE–OAX international | 1 | 0 | 0% | 0 | 639 |
| General Mitchell International → Austin-Bergstrom International MKE–AUS | 1 | 76 | 100% | 0 | 1,032 |
| General Mitchell International → Gerald R Ford International MKE–GRR | 1 | 0 | 0% | 0 | 120 |
| Morelia → Valley International MLM–HRL international | 1 | 54 | 71% | 0 | 488 |
| Dane County Rgnl/Truax Field → General Mitchell International MSN–MKE | 1 | 59 | 84% | 0 | 74 |
| Montrose Regional → Austin-Bergstrom International MTJ–AUS | 1 | 64 | 84% | 0 | 818 |
| Montrose Regional → Gunnison-Crested Butte Regional MTJ–GUC | 1 | 0 | 0% | 0 | 52 |
| Monterrey → Austin-Bergstrom International MTY–AUS international | 1 | 69 | 91% | 0 | 339 |
| Monterrey → Corpus Christi International MTY–CRP international | 1 | 76 | 100% | 0 | 211 |
| Okc Will Rogers International → Wichita Dwight D Eisenhower Ntl OKC–ICT | 1 | 64 | 84% | 0 | 156 |
| Okc Will Rogers International → Lake Charles Regional OKC–LCH | 1 | 68 | 97% | 0 | 443 |
| Eppley Airfield → Corpus Christi International OMA–CRP | 1 | 51 | 73% | 0 | 938 |
| Norfolk International → Shreveport Regional ORF–SHV | 1 | 65 | 93% | 0 | 1,048 |
| West Palm Beach/Palm Beach → Key West International PBI–EYW | 1 | 0 | 0% | 0 | 180 |
| Philadelphia International → Nashville International PHL–BNA | 1 | 74 | 97% | 0 | 675 |
| Phoenix Sky Harbor International → George Bush Intcntl/Houston PHX–IAH | 1 | 15 | 21% | 0 | 1,009 |
| Phoenix Sky Harbor International → Palm Springs International PHX–PSP | 1 | 71 | 93% | 0 | 261 |
| Pittsburgh International → Nashville International PIT–BNA | 1 | 75 | 99% | 0 | 462 |
| Pittsburgh International → Corpus Christi International PIT–CRP | 1 | 74 | 97% | 0 | 1,318 |
| Pittsburgh International → Laguardia PIT–LGA | 1 | 44 | 58% | 0 | 335 |
| Pittsburgh International → South Bend International PIT–SBN | 1 | 62 | 89% | 0 | 328 |
| Pensacola International → Northwest Florida Beaches International PNS–ECP | 1 | 0 | 0% | 0 | 84 |
| Raleigh-Durham International → Charlotte/Douglas International RDU–CLT | 1 | 59 | 78% | 0 | 130 |
| Richmond International → Norfolk International RIC–ORF | 1 | 0 | 0% | 0 | 75 |
| Richmond International → Philadelphia International RIC–PHL | 1 | 0 | 0% | 0 | 198 |
| San Antonio International → Charlottesville-Albemarle SAT–CHO | 1 | 76 | 100% | 0 | 1,291 |
| Savannah/Hilton Head International → Lafayette Rgnl/Paul Fournet Field SAV–LFT | 1 | 56 | 74% | 0 | 652 |
| Savannah/Hilton Head International → Norfolk International SAV–ORF | 1 | 36 | 47% | 0 | 435 |
| Louisville Muhammad Ali International → Birmingham-Shuttlesworth International SDF–BHM | 1 | 62 | 82% | 0 | 323 |
| Louisville Muhammad Ali International → Corpus Christi International SDF–CRP | 1 | 67 | 96% | 0 | 989 |
| Louisville Muhammad Ali International → Okc Will Rogers International SDF–OKC | 1 | 58 | 83% | 0 | 685 |
| Louisville Muhammad Ali International → Pittsburgh International SDF–PIT | 1 | 70 | 100% | 0 | 335 |
| Louisville Muhammad Ali International → Shreveport Regional SDF–SHV | 1 | 58 | 76% | 0 | 604 |
| Louisville Muhammad Ali International → St. Louis Lambert International SDF–STL | 1 | 58 | 83% | 0 | 254 |
| St. Louis Lambert International → Lafayette Rgnl/Paul Fournet Field STL–LFT | 1 | 46 | 66% | 0 | 596 |
| Tampico → Lafayette Rgnl/Paul Fournet Field TAM–LFT international | 1 | 70 | 92% | 0 | 655 |
| Tucson International → EL Paso International TUS–ELP | 1 | 65 | 86% | 0 | 270 |
| MC Ghee Tyson → Corpus Christi International TYS–CRP | 1 | 43 | 57% | 0 | 967 |
| Northwest Arkansas Ntl → Austin-Bergstrom International XNA–AUS | 1 | 74 | 97% | 0 | 462 |
| Northwest Arkansas Ntl → Baton Rouge Metro, Ryan Field XNA–BTR | 1 | 68 | 89% | 0 | 436 |
| Northwest Arkansas Ntl → General Mitchell International XNA–MKE | 1 | 62 | 89% | 0 | 573 |