| General Mitchell International → Chicago O'Hare International MKE–ORD | 5,298 | 226,301 | 69% | 67 | SkyWest Airlines Inc., Envoy Air, Republic Airline, American Airlines Inc. +15 | Jan 2025 – Jul 2026 |
| General Mitchell International → Denver International MKE–DEN | 2,326 | 269,857 | 78% | 896 | Southwest Airlines Co., United Air Lines Inc., SkyWest Airlines Inc., Frontier Airlines Inc. +2 | Jan 2025 – Jul 2026 |
| General Mitchell International → Hartsfield/Jackson Atlanta International MKE–ATL | 2,225 | 286,521 | 75% | 669 | Delta Air Lines Inc., Frontier Airlines Inc., Air Wisconsin Airlines Corp, SkyWest Airlines Inc. +1 | Jan 2025 – Jul 2026 |
| General Mitchell International → Minneapolis-St Paul Intl/Wold-Chamberlain MKE–MSP | 1,759 | 126,075 | 80% | 297 | SkyWest Airlines Inc., Delta Air Lines Inc., Endeavor Air Inc., Sun Country Airlines d/b/a... +4 | Jan 2025 – Jul 2026 |
| General Mitchell International → Detroit Metro Wayne County MKE–DTW | 1,641 | 118,583 | 78% | 237 | SkyWest Airlines Inc., Delta Air Lines Inc., Endeavor Air Inc., Republic Airline +2 | Jan 2025 – Jul 2026 |
| General Mitchell International → Phoenix Sky Harbor International MKE–PHX | 1,450 | 197,245 | 85% | 1,460 | Southwest Airlines Co., American Airlines Inc., Sun Country Airlines d/b/a..., Frontier Airlines Inc. +2 | Jan 2025 – Jul 2026 |
| General Mitchell International → Orlando International MKE–MCO | 1,430 | 191,847 | 78% | 1,066 | Southwest Airlines Co., Frontier Airlines Inc., Spirit Air Lines, Sun Country Airlines d/b/a... +1 | Jan 2025 – Jul 2026 |
| General Mitchell International → Ronald Reagan Washington Ntl MKE–DCA | 1,296 | 84,964 | 60% | 634 | Southwest Airlines Co., PSA Airlines Inc., Republic Airline | Jan 2025 – Jul 2026 |
| General Mitchell International → Laguardia MKE–LGA | 1,248 | 64,097 | 71% | 738 | Republic Airline, Endeavor Air Inc., Delta Air Lines Inc. | Jan 2025 – Jul 2026 |
| General Mitchell International → Harry Reid International MKE–LAS | 1,047 | 133,391 | 76% | 1,524 | Southwest Airlines Co., Spirit Air Lines, Sun Country Airlines d/b/a..., Frontier Airlines Inc. +1 | Jan 2025 – Jul 2026 |
| General Mitchell International → Dallas-Fort Worth International MKE–DFW | 1,045 | 130,341 | 77% | 853 | American Airlines Inc., PSA Airlines Inc., Envoy Air, SkyWest Airlines Inc. | Jan 2025 – Jul 2026 |
| General Mitchell International → Nashville International MKE–BNA | 962 | 117,308 | 77% | 475 | Southwest Airlines Co., SkyWest Airlines Inc., American Airlines Inc., Delta Air Lines Inc. | Jan 2025 – Jul 2026 |
| General Mitchell International → Charlotte/Douglas International MKE–CLT | 943 | 98,393 | 74% | 651 | American Airlines Inc., PSA Airlines Inc., Delta Air Lines Inc. | Jan 2025 – Jul 2026 |
| General Mitchell International → George Bush Intcntl/Houston MKE–IAH | 878 | 52,684 | 81% | 984 | Mesa Airlines Inc., SkyWest Airlines Inc., United Air Lines Inc. | Jan 2025 – Jul 2026 |
| General Mitchell International → Baltimore/Washington International Thurgood Marshall MKE–BWI | 845 | 84,525 | 66% | 641 | Southwest Airlines Co., Air Wisconsin Airlines Corp, Endeavor Air Inc., Delta Air Lines Inc. +2 | Jan 2025 – Jul 2026 |
| General Mitchell International → Newark Liberty International MKE–EWR | 818 | 50,536 | 81% | 725 | Republic Airline, Delta Air Lines Inc., JetBlue Airways, Breeze Aviation Group DBA Breeze +1 | Jan 2025 – Jul 2026 |
| General Mitchell International → Philadelphia International MKE–PHL | 743 | 37,397 | 76% | 690 | PSA Airlines Inc., Piedmont Airlines, Republic Airline, American Airlines Inc. +6 | Jan 2025 – Jul 2026 |
| General Mitchell International → General Edward Lawrence Logan International MKE–BOS | 719 | 50,446 | 76% | 860 | Republic Airline, JetBlue Airways, Delta Air Lines Inc., Southwest Airlines Co. | Jan 2025 – Jul 2026 |
| General Mitchell International → St. Louis Lambert International MKE–STL | 684 | 70,107 | 67% | 317 | Southwest Airlines Co., SkyWest Airlines Inc., CFM Inc d/b/a Contour..., Sun Country Airlines d/b/a... +2 | Jan 2025 – Jul 2026 |
| General Mitchell International → Louisville Muhammad Ali International MKE–SDF | 574 | 136 | 37% | 348 | United Parcel Service, Southwest Airlines Co., SkyWest Airlines Inc. | Jan 2025 – Jul 2026 |
| General Mitchell International → Seattle-Tacoma International MKE–SEA | 507 | 72,856 | 82% | 1,694 | Alaska Airlines Inc., Delta Air Lines Inc. | Jan 2025 – Jul 2026 |
| General Mitchell International → Marquette MKE–MQT | 489 | 0 | | 236 | Federal Express Corporation | Jan 2025 – Jul 2026 |
| General Mitchell International → Tampa International MKE–TPA | 468 | 52,464 | 69% | 1,075 | Southwest Airlines Co., Frontier Airlines Inc. | Jan 2025 – Jul 2026 |
| General Mitchell International → Southwest Florida International MKE–RSW | 428 | 55,674 | 77% | 1,183 | Southwest Airlines Co., Sun Country Airlines d/b/a..., Eastern Air Express, LLC (EAX), Air Wisconsin Airlines Corp | Jan 2025 – Jul 2026 |
| General Mitchell International → Dallas Love Field MKE–DAL | 398 | 44,394 | 72% | 850 | Southwest Airlines Co., Delta Air Lines Inc., Air Wisconsin Airlines Corp | Jan 2025 – Jul 2026 |
| General Mitchell International → Salt Lake City International MKE–SLC | 364 | 34,486 | 84% | 1,247 | Delta Air Lines Inc., SkyWest Airlines Inc., Chartright Air Inc. | Jan 2025 – Jul 2026 |
| General Mitchell International → John F Kennedy International MKE–JFK | 353 | 17,815 | 67% | 745 | Endeavor Air Inc., American Airlines Inc., Delta Air Lines Inc., Republic Airline | Jan 2025 – Jul 2026 |
| General Mitchell International → Kansas City International MKE–MCI | 351 | 39,488 | 72% | 436 | Southwest Airlines Co., Air Wisconsin Airlines Corp, SkyWest Airlines Inc., Sun Country Airlines d/b/a... | Jan 2025 – Jul 2026 |
| General Mitchell International → Chicago Midway International MKE–MDW | 344 | 35,377 | 67% | 80 | Southwest Airlines Co., Delta Air Lines Inc., Sun Country Airlines d/b/a..., CFM Inc d/b/a Contour... | Jan 2025 – Jul 2026 |
| General Mitchell International → Ford MKE–IMT | 311 | 0 | | 199 | Federal Express Corporation | Jan 2025 – Jul 2026 |
| General Mitchell International → Austin-Bergstrom International MKE–AUS | 279 | 30,632 | 69% | 1,032 | Southwest Airlines Co., SkyWest Airlines Inc., Mesa Airlines Inc. | Mar 2025 – Jul 2026 |
| General Mitchell International → Frederick W Smith Intl/Memphis MKE–MEM | 251 | 170 | 64% | 557 | Federal Express Corporation, Delta Air Lines Inc., Air Wisconsin Airlines Corp | Jan 2025 – Jul 2026 |
| General Mitchell International → Delta County MKE–ESC | 199 | 0 | | 196 | Federal Express Corporation | Jan 2025 – Jul 2026 |
| General Mitchell International → San Diego International MKE–SAN | 192 | 23,548 | 73% | 1,739 | Southwest Airlines Co., United Air Lines Inc. | Jun 2025 – Jul 2026 |
| General Mitchell International → Miami International MKE–MIA | 137 | 11,153 | 86% | 1,258 | Envoy Air, American Airlines Inc., Southwest Airlines Co., Republic Airline +4 | Jan 2025 – Apr 2026 |
| General Mitchell International → General Mitchell International MKE–MKE | 115 | 0 | 0% | 0 | SkyWest Airlines Inc. | Jan 2025 – Jul 2026 |
| General Mitchell International → Cancun MKE–CUN international | 104 | 14,386 | 76% | 1,510 | Sun Country Airlines d/b/a..., Southwest Airlines Co. | Jan 2025 – Apr 2026 |
| General Mitchell International → Cincinnati/Northern Kentucky International MKE–CVG | 95 | 359 | 40% | 318 | Kalitta Charters II, ABX Air Inc, Delta Air Lines Inc., Allegiant Air +2 | Jan 2025 – Jul 2026 |
| General Mitchell International → Fort Lauderdale/Hollywood International MKE–FLL | 83 | 10,190 | 72% | 1,243 | Southwest Airlines Co. | Jan 2025 – Apr 2026 |
| General Mitchell International → Dane County Rgnl/Truax Field MKE–MSN | 74 | 56 | 4% | 74 | Federal Express Corporation, Air Wisconsin Airlines Corp, PSA Airlines Inc., Sun Country Airlines d/b/a... | Jan 2025 – Jul 2026 |
| General Mitchell International → Paulding Northwest Atlanta MKE–PUJ international | 64 | 9,252 | 78% | 2,031 | Sun Country Airlines d/b/a... | Jan 2025 – Apr 2026 |
| General Mitchell International → Central Wisconsin MKE–CWA | 50 | 0 | | 155 | Federal Express Corporation | Jan 2025 – Jul 2026 |
| General Mitchell International → Indianapolis International MKE–IND | 43 | 530 | 59% | 238 | Federal Express Corporation, Delta Air Lines Inc., JetBlue Airways, Breeze Aviation Group DBA Breeze +3 | Jan 2025 – May 2026 |
| General Mitchell International → Willow Run MKE–YIP | 38 | 0 | 0% | 228 | Air Wisconsin Airlines Corp | Jan 2025 – Jul 2026 |
| General Mitchell International → State College MKE–SCE | 35 | 0 | 0% | 538 | Air Wisconsin Airlines Corp | Jan 2025 – Jul 2026 |
| General Mitchell International → Laurence G Hanscom Field MKE–BED | 19 | 224 | 20% | 845 | Air Wisconsin Airlines Corp, Delta Air Lines Inc., TEM Enterprises dba Avelo Airlines | Feb 2025 – Jul 2026 |
| General Mitchell International → Gulfport-Biloxi International MKE–GPT | 17 | 2,666 | 84% | 867 | Sun Country Airlines d/b/a... | Jan 2025 – Jul 2026 |
| General Mitchell International → Washington Dulles International MKE–IAD | 17 | 1,407 | 66% | 611 | Southwest Airlines Co., Delta Air Lines Inc., Endeavor Air Inc., Breeze Aviation Group DBA Breeze +1 | Jan 2025 – Jul 2026 |
| General Mitchell International → Los Angeles International MKE–LAX | 17 | 1,957 | 68% | 1,756 | Spirit Air Lines, Delta Air Lines Inc., United Air Lines Inc., Southwest Airlines Co. | Jan 2025 – Jul 2026 |
| General Mitchell International → Richmond International MKE–RIC | 14 | 22 | 3% | 672 | Air Wisconsin Airlines Corp, PSA Airlines Inc. | Mar 2025 – Jul 2026 |
| General Mitchell International → Sarasota/Bradenton International MKE–SRQ | 13 | 1,564 | 75% | 1,113 | Southwest Airlines Co. | Feb 2025 – Apr 2026 |
| General Mitchell International → Toronto MKE–YYZ international | 12 | 443 | 46% | 420 | Delta Air Lines Inc., United Air Lines Inc. | Jan 2025 – Apr 2026 |
| General Mitchell International → Laughlin/Bullhead International MKE–IFP | 11 | 1,537 | 75% | 1,524 | Sun Country Airlines d/b/a... | Feb 2025 – May 2026 |
| General Mitchell International → Okc Will Rogers International MKE–OKC | 10 | 546 | 57% | 736 | Delta Air Lines Inc., SkyWest Airlines Inc., American Airlines Inc., Southwest Airlines Co. | Jan 2025 – Mar 2026 |
| General Mitchell International → South Bend International MKE–SBN | 10 | 0 | 0% | 118 | SkyWest Airlines Inc., Air Wisconsin Airlines Corp | Jan 2025 – Jun 2026 |
| General Mitchell International → Tuscaloosa Ntl MKE–TCL | 10 | 0 | 0% | 671 | Air Wisconsin Airlines Corp | Apr 2025 – Apr 2026 |
| General Mitchell International → John Glenn Columbus International MKE–CMH | 8 | 2 | 1% | 330 | Air Wisconsin Airlines Corp, CFM Inc d/b/a Contour..., Republic Airline | Mar 2025 – May 2026 |
| General Mitchell International → Capital Region International MKE–LAN | 8 | 0 | 0% | 169 | Air Wisconsin Airlines Corp, Ameristar Air Cargo, Sun Country Airlines d/b/a... | Sep 2025 – Feb 2026 |
| General Mitchell International → Eppley Airfield MKE–OMA | 8 | 105 | 20% | 426 | Air Wisconsin Airlines Corp, Delta Air Lines Inc., Breeze Aviation Group DBA Breeze | Jan 2025 – Mar 2026 |
| General Mitchell International → Pittsburgh International MKE–PIT | 8 | 437 | 44% | 431 | Delta Air Lines Inc., United Air Lines Inc., Republic Airline, Endeavor Air Inc. +1 | Jan 2025 – Jul 2026 |
| General Mitchell International → Lincoln MKE–LNK | 7 | 0 | 0% | 479 | Air Wisconsin Airlines Corp, Sun Country Airlines d/b/a... | Feb 2025 – Jun 2026 |
| General Mitchell International → Baton Rouge Metro, Ryan Field MKE–BTR | 6 | 0 | 0% | 875 | Air Wisconsin Airlines Corp | Jan 2025 – May 2026 |
| General Mitchell International → Buffalo Niagara International MKE–BUF | 6 | 163 | 30% | 465 | Air Wisconsin Airlines Corp, Southwest Airlines Co. | Sep 2025 – Jul 2026 |
| General Mitchell International → Westchester County MKE–HPN | 6 | 74 | 40% | 741 | Jet Aviation Flight Services, Inc., Delta Air Lines Inc., Global Crossing Airlines, Inc., CFM Inc d/b/a Contour... | Mar 2025 – Jun 2026 |
| General Mitchell International → Appleton International MKE–ATW | 5 | 317 | 65% | 96 | Delta Air Lines Inc., SkyWest Airlines Inc., Envoy Air | Apr 2025 – Jul 2026 |
| General Mitchell International → Cleveland-Hopkins International MKE–CLE | 5 | 305 | 70% | 328 | Delta Air Lines Inc., SkyWest Airlines Inc., Southwest Airlines Co. | Jan 2025 – May 2026 |
| General Mitchell International → Green Bay/Austin Straubel International MKE–GRB | 5 | 251 | 33% | 107 | Delta Air Lines Inc., Sun Country Airlines d/b/a..., SkyWest Airlines Inc. | Mar 2025 – Apr 2026 |
| General Mitchell International → San Francisco International MKE–SFO | 5 | 388 | 53% | 1,845 | Delta Air Lines Inc., JetBlue Airways, SkyWest Airlines Inc., United Air Lines Inc. | Mar 2025 – Jul 2026 |
| General Mitchell International → Bradley International MKE–BDL | 4 | 236 | 49% | 780 | Delta Air Lines Inc., Global Crossing Airlines, Inc., Breeze Aviation Group DBA Breeze, United Air Lines Inc. | Feb 2025 – Mar 2026 |
| General Mitchell International → Birmingham-Shuttlesworth International MKE–BHM | 4 | 416 | 74% | 650 | Delta Air Lines Inc., Southwest Airlines Co., Air Wisconsin Airlines Corp | May 2025 – Jul 2026 |
| General Mitchell International → St. Louis Downtown MKE–CPS | 4 | 131 | 45% | 324 | Delta Air Lines Inc. | Jul 2025 – May 2026 |
| General Mitchell International → James M Cox Dayton International MKE–DAY | 4 | 135 | 39% | 284 | Air Wisconsin Airlines Corp, Allegiant Air, SkyWest Airlines Inc. | Jan 2025 – Jun 2026 |
| General Mitchell International → EL Paso International MKE–ELP | 4 | 0 | 0% | 1,270 | Air Wisconsin Airlines Corp | Jan 2026 – Mar 2026 |
| General Mitchell International → William P Hobby MKE–HOU | 4 | 130 | 49% | 1,004 | Delta Air Lines Inc., Air Wisconsin Airlines Corp | Feb 2025 – Jul 2026 |
| General Mitchell International → Rhode Island TF Green International MKE–PVD | 4 | 210 | 43% | 846 | Breeze Aviation Group DBA Breeze, JetBlue Airways, SkyWest Airlines Inc. | Feb 2025 – Jun 2026 |
| General Mitchell International → MC Ghee Tyson MKE–TYS | 4 | 0 | 0% | 535 | Air Wisconsin Airlines Corp, SkyWest Airlines Inc., Sun Country Airlines d/b/a... | Feb 2025 – Jun 2026 |
| General Mitchell International → Atlantic City International MKE–ACY | 3 | 480 | 86% | 734 | Sun Country Airlines d/b/a... | May 2025 – Jul 2026 |
| General Mitchell International → Albany International MKE–ALB | 3 | 72 | 26% | 715 | SkyWest Airlines Inc., Southwest Airlines Co., Republic Airline | Jul 2025 – Jul 2026 |
| General Mitchell International → Monroe County MKE–BMG | 3 | 0 | 0% | 271 | Air Wisconsin Airlines Corp | Oct 2025 – Nov 2025 |
| General Mitchell International → Patrick Leahy Burlington International MKE–BTV | 3 | 0 | 0% | 745 | SkyWest Airlines Inc. | Apr 2026 – Jul 2026 |
| General Mitchell International → Hollywood Burbank MKE–BUR | 3 | 159 | 51% | 1,745 | Delta Air Lines Inc., United Air Lines Inc. | Sep 2025 – May 2026 |
| General Mitchell International → Columbia Regional MKE–COU | 3 | 0 | 0% | 363 | SkyWest Airlines Inc. | Jan 2025 – Jul 2026 |
| General Mitchell International → West Virginia International Yeager MKE–CRW | 3 | 0 | 0% | 457 | Air Wisconsin Airlines Corp, SkyWest Airlines Inc. | Feb 2026 – Jun 2026 |
| General Mitchell International → Des Moines International MKE–DSM | 3 | 0 | 0% | 311 | CFM Inc d/b/a Contour..., SkyWest Airlines Inc., Sun Country Airlines d/b/a... | Jan 2025 – Jun 2026 |
| General Mitchell International → Bishop International MKE–FNT | 3 | 0 | 0% | 211 | SkyWest Airlines Inc. | Jun 2025 – Jun 2026 |
| General Mitchell International → Gerald R Ford International MKE–GRR | 3 | 85 | 22% | 120 | Delta Air Lines Inc., Sun Country Airlines d/b/a..., Mesa Airlines Inc. | May 2025 – Jan 2026 |
| General Mitchell International → Purdue University MKE–LAF | 3 | 100 | 42% | 182 | SkyWest Airlines Inc., JetBlue Airways | Dec 2025 – Apr 2026 |
| General Mitchell International → Mbs International MKE–MBS | 3 | 18 | 11% | 197 | SkyWest Airlines Inc. | Jan 2026 – May 2026 |
| General Mitchell International → Louis Armstrong New Orleans International MKE–MSY | 3 | 58 | 15% | 903 | Delta Air Lines Inc., Sun Country Airlines d/b/a..., Southwest Airlines Co. | Jan 2025 – Mar 2026 |
| General Mitchell International → Raleigh-Durham International MKE–RDU | 3 | 80 | 29% | 689 | Air Wisconsin Airlines Corp, Southwest Airlines Co. | Feb 2025 – May 2026 |
| General Mitchell International → Reno/Tahoe International MKE–RNO | 3 | 479 | 86% | 1,667 | Sun Country Airlines d/b/a... | Jan 2025 – Jun 2026 |
| General Mitchell International → San Antonio International MKE–SAT | 3 | 222 | 70% | 1,095 | Delta Air Lines Inc., Southwest Airlines Co. | Nov 2025 – Mar 2026 |
| General Mitchell International → Tulsa International MKE–TUL | 3 | 347 | 70% | 631 | American Airlines Inc., Southwest Airlines Co. | Jan 2025 – May 2026 |
| General Mitchell International → Cherry Capital MKE–TVC | 3 | 272 | 93% | 169 | Envoy Air, United Air Lines Inc., Republic Airline | Feb 2025 – Jul 2026 |
| General Mitchell International → Alexandria International MKE–AEX | 2 | 0 | 0% | 841 | Air Wisconsin Airlines Corp | Jul 2026 – Jul 2026 |
| General Mitchell International → The Eastern Iowa MKE–CID | 2 | 0 | 0% | 208 | SkyWest Airlines Inc., Republic Airline | Jan 2025 – Dec 2025 |
| General Mitchell International → Chippewa County International MKE–CIU | 2 | 0 | 0% | 284 | Air Wisconsin Airlines Corp | Oct 2025 – Nov 2025 |
| General Mitchell International → University Of Illinois/Willard MKE–CMI | 2 | 0 | 0% | 202 | Air Wisconsin Airlines Corp | Jan 2025 – Mar 2026 |
| General Mitchell International → City Of Colorado Springs Municipal MKE–COS | 2 | 272 | 90% | 923 | United Air Lines Inc., Southwest Airlines Co. | Feb 2025 – Jun 2026 |
| General Mitchell International → Hector International MKE–FAR | 2 | 0 | 0% | 516 | SkyWest Airlines Inc. | Aug 2025 – Dec 2025 |
| General Mitchell International → Northern Colorado Regional MKE–FNL | 2 | 102 | 69% | 900 | Chartright Air Inc., JetBlue Airways | Oct 2025 – Oct 2025 |
| General Mitchell International → Huntsville Intl-Carl T Jones Field MKE–HSV | 2 | 272 | 77% | 576 | Delta Air Lines Inc. | Jul 2025 – Nov 2025 |
| General Mitchell International → Wichita Dwight D Eisenhower Ntl MKE–ICT | 2 | 334 | 95% | 622 | Southwest Airlines Co. | Mar 2025 – Jul 2026 |
| General Mitchell International → Wilmington International MKE–ILM | 2 | 0 | 0% | 806 | Air Wisconsin Airlines Corp | Dec 2025 – Dec 2025 |
| General Mitchell International → Jacksonville International MKE–JAX | 2 | 136 | 70% | 924 | Southwest Airlines Co., Air Wisconsin Airlines Corp | Aug 2025 – Jan 2026 |
| General Mitchell International → Bill And Hillary Clinton Ntl/Adams Field MKE–LIT | 2 | 0 | 0% | 613 | Sun Country Airlines d/b/a..., Air Wisconsin Airlines Corp | Jul 2025 – Jun 2026 |
| General Mitchell International → General Downing - Peoria International MKE–PIA | 2 | 0 | 0% | 183 | SkyWest Airlines Inc. | Apr 2025 – Apr 2026 |
| General Mitchell International → Sacramento International MKE–SMF | 2 | 62 | 43% | 1,778 | Delta Air Lines Inc. | Jan 2025 – Jan 2026 |
| General Mitchell International → Sioux Gateway/Brig General Bud Day Field MKE–SUX | 2 | 0 | 0% | 434 | SkyWest Airlines Inc. | Nov 2025 – Jun 2026 |
| General Mitchell International → Trenton Mercer MKE–TTN | 2 | 0 | 0% | 701 | Air Wisconsin Airlines Corp | Apr 2025 – Nov 2025 |
| General Mitchell International → Tucson International MKE–TUS | 2 | 174 | 56% | 1,462 | Southwest Airlines Co. | Feb 2025 – Jul 2026 |
| General Mitchell International → Albuquerque International Sunport MKE–ABQ | 1 | 160 | 91% | 1,142 | Southwest Airlines Co. | Sep 2025 – Sep 2025 |
| General Mitchell International → Bemidji Regional MKE–BJI | 1 | 0 | 0% | 466 | SkyWest Airlines Inc. | Apr 2026 – Apr 2026 |
| General Mitchell International → Bozeman Yellowstone International MKE–BZN | 1 | 0 | 0% | 1,164 | Global Crossing Airlines, Inc. | Dec 2025 – Dec 2025 |
| General Mitchell International → Akron-Canton Regional MKE–CAK | 1 | 0 | 0% | 361 | Air Wisconsin Airlines Corp | Jan 2025 – Jul 2026 |
| General Mitchell International → Lovell Field MKE–CHA | 1 | 160 | 94% | 564 | Delta Air Lines Inc. | Mar 2026 – Mar 2026 |
| General Mitchell International → Charlottesville-Albemarle MKE–CHO | 1 | 0 | 0% | 597 | Eastern Air Express, LLC (EAX) | Jun 2025 – Jan 2026 |
| General Mitchell International → Houghton County Memorial MKE–CMX | 1 | 0 | 0% | 293 | SkyWest Airlines Inc. | Mar 2025 – Nov 2025 |
| General Mitchell International → Columbus MKE–CSG | 1 | 0 | 0% | 737 | Air Wisconsin Airlines Corp | Jul 2026 – Jul 2026 |
| General Mitchell International → Dubuque Regional MKE–DBQ | 1 | 0 | 0% | 148 | Sun Country Airlines d/b/a... | Jan 2026 – Jan 2026 |
| General Mitchell International → Coleman A Young Municipal MKE–DET | 1 | 2 | 33% | 252 | Hamilton Jetport Limited | Feb 2026 – Feb 2026 |
| General Mitchell International → Dickinson/Theodore Roosevelt Regional MKE–DIK | 1 | 0 | 0% | 777 | SkyWest Airlines Inc. | Aug 2025 – Aug 2025 |
| General Mitchell International → Duluth International MKE–DLH | 1 | 0 | 0% | 341 | SkyWest Airlines Inc. | Dec 2025 – Dec 2025 |
| General Mitchell International → Mahlon Sweet Field MKE–EUG | 1 | 54 | 90% | 1,762 | Ameristar Air Cargo | Oct 2025 – Oct 2025 |
| General Mitchell International → Faro MKE–FAO international | 1 | 2 | 14% | 4,099 | Air Hamburg... | Oct 2025 – Oct 2025 |
| General Mitchell International → Republic MKE–FRG | 1 | 0 | 0% | 762 | Republic Airline | Feb 2025 – Dec 2025 |
| General Mitchell International → Joe Foss Field MKE–FSD | 1 | 0 | 0% | 448 | SkyWest Airlines Inc. | Dec 2025 – Dec 2025 |
| General Mitchell International → Fort Wayne International MKE–FWA | 1 | 0 | 0% | 194 | Sun Country Airlines d/b/a... | Oct 2025 – Oct 2025 |
| General Mitchell International → Spokane International MKE–GEG | 1 | 104 | 58% | 1,471 | Alaska Airlines Inc. | Dec 2025 – Dec 2025 |
| General Mitchell International → Gainesville Regional MKE–GNV | 1 | 0 | 0% | 966 | SkyWest Airlines Inc. | Oct 2025 – Oct 2025 |
| General Mitchell International → Robert Gray Army Airfield MKE–GRK | 1 | 55 | 40% | 985 | Breeze Aviation Group DBA Breeze | Oct 2025 – Oct 2025 |
| General Mitchell International → Tweed/New Haven MKE–HVN | 1 | 0 | 0% | 779 | TEM Enterprises dba Avelo Airlines | Dec 2025 – Dec 2025 |
| General Mitchell International → Kissimmee Gateway MKE–ISM | 1 | 2 | 25% | 1,073 | CFM Inc d/b/a Contour... | Apr 2026 – Apr 2026 |
| General Mitchell International → Istanbul MKE–IST international | 1 | 4 | 29% | 5,423 | Axis Aviation GmbH | Jan 2026 – Jan 2026 |
| General Mitchell International → John Murtha Johnstown/Cambria County MKE–JST | 1 | 0 | 0% | 503 | SkyWest Airlines Inc. | Jan 2025 – Dec 2025 |
| General Mitchell International → Lubbock Preston Smith International MKE–LBB | 1 | 73 | 51% | 989 | Southwest Airlines Co. | Feb 2025 – Oct 2025 |
| General Mitchell International → Blue Grass MKE–LEX | 1 | 0 | 0% | 380 | Air Wisconsin Airlines Corp | Feb 2025 – May 2026 |
| General Mitchell International → Cincinnati Muni/Lunken Field MKE–LUK | 1 | 60 | 44% | 322 | Breeze Aviation Group DBA Breeze | Feb 2025 – Jan 2026 |
| General Mitchell International → Lynchburg Rgnl/Preston Glenn Field MKE–LYH | 1 | 0 | 0% | 601 | SkyWest Airlines Inc. | Jun 2026 – Jun 2026 |
| General Mitchell International → Montgomery Regional (Dannelly Field) MKE–MGM | 1 | 114 | 60% | 739 | Delta Air Lines Inc. | Mar 2025 – Jul 2026 |
| General Mitchell International → Manchester Boston Regional MKE–MHT | 1 | 0 | | 834 | Air Hamburg... | Dec 2025 – Dec 2025 |
| General Mitchell International → Kansas City Downtown/Wheeler Field MKE–MKC | 1 | 65 | 36% | 438 | United Air Lines Inc. | Mar 2025 – Apr 2026 |
| General Mitchell International → Monterrey MKE–MTY international | 1 | 153 | 67% | 1,370 | Aeroenlaces Nacionales,... | Mar 2026 – Mar 2026 |
| General Mitchell International → Oakland San Francisco Bay MKE–OAK | 1 | 0 | 0% | 1,835 | Global Crossing Airlines, Inc. | Feb 2026 – Feb 2026 |
| General Mitchell International → Miami-Opa Locka Executive MKE–OPF | 1 | 0 | 0% | 1,251 | Air Wisconsin Airlines Corp | Feb 2026 – Feb 2026 |
| General Mitchell International → West Palm Beach/Palm Beach MKE–PBI | 1 | 44 | 25% | 1,204 | Southwest Airlines Co. | Feb 2026 – Feb 2026 |
| General Mitchell International → Portland International MKE–PDX | 1 | 58 | 81% | 1,718 | Delta Air Lines Inc. | Nov 2025 – Nov 2025 |
| General Mitchell International → Hattiesburg/Laurel Regional MKE–PIB | 1 | 0 | 0% | 796 | Air Wisconsin Airlines Corp | May 2026 – May 2026 |
| General Mitchell International → Pensacola International MKE–PNS | 1 | 0 | 0% | 861 | Southwest Airlines Co. | Jan 2026 – Jan 2026 |
| General Mitchell International → Oakland County International MKE–PTK | 1 | 164 | 91% | 228 | Allegiant Air | Jan 2025 – Mar 2026 |
| General Mitchell International → Portland International Jetport MKE–PWM | 1 | 0 | 0% | 887 | Sun Country Airlines d/b/a... | Aug 2025 – Aug 2025 |
| General Mitchell International → Roberts Fld/Redmond Municipal MKE–RDM | 1 | 16 | 84% | 1,659 | CFM Inc d/b/a Contour... | Jun 2026 – Jun 2026 |
| General Mitchell International → Chicago/Rockford International MKE–RFD | 1 | 27 | 54% | 80 | SkyWest Airlines Inc. | Jul 2025 – Jan 2026 |
| General Mitchell International → Rhinelander/Oneida County MKE–RHI | 1 | 0 | | 201 | Federal Express Corporation | Jul 2025 – Feb 2026 |
| General Mitchell International → Roanoke/Blacksburg Regional (Woodrum Field) MKE–ROA | 1 | 0 | 0% | 571 | Air Wisconsin Airlines Corp | Nov 2025 – Nov 2025 |
| General Mitchell International → Frederick Douglass/Greater Rochester International MKE–ROC | 1 | 2 | 1% | 518 | Southwest Airlines Co. | Apr 2026 – Apr 2026 |
| General Mitchell International → Roswell Air Center MKE–ROW | 1 | 0 | 0% | 1,121 | SkyWest Airlines Inc. | Nov 2025 – Nov 2025 |
| General Mitchell International → Shenandoah Valley Regional MKE–SHD | 1 | 0 | 0% | 573 | SkyWest Airlines Inc. | Jul 2026 – Jul 2026 |
| General Mitchell International → Shreveport Regional MKE–SHV | 1 | 0 | 0% | 793 | SkyWest Airlines Inc. | Apr 2026 – Apr 2026 |
| General Mitchell International → Salina Regional MKE–SLN | 1 | 0 | 0% | 586 | SkyWest Airlines Inc. | Mar 2026 – Mar 2026 |
| General Mitchell International → Abraham Lincoln Capital MKE–SPI | 1 | 0 | 0% | 233 | Air Wisconsin Airlines Corp | Jul 2026 – Jul 2026 |
| General Mitchell International → St. Simons Island MKE–SSI | 1 | 1 | 12% | 889 | CFM Inc d/b/a Contour... | Apr 2026 – Apr 2026 |
| General Mitchell International → Teterboro MKE–TEB | 1 | 0 | 0% | 727 | Air Wisconsin Airlines Corp | Jan 2026 – Jan 2026 |
| General Mitchell International → Dade-Collier Training And Transition MKE–TNT | 1 | 0 | 0% | 1,243 | Air Wisconsin Airlines Corp | Apr 2026 – Apr 2026 |
| General Mitchell International → Waukegan Ntl MKE–UGN | 1 | 0 | 0% | 36 | CFM Inc d/b/a Contour... | Apr 2026 – Apr 2026 |
| General Mitchell International → Edmonton MKE–YEG international | 1 | 0 | 0% | 1,376 | Delta Air Lines Inc. | Apr 2026 – Apr 2026 |
| General Mitchell International → Youngstown/Warren Regional MKE–YNG | 1 | 0 | 0% | 389 | Air Wisconsin Airlines Corp | Feb 2026 – Feb 2026 |
| General Mitchell International → Vancouver MKE–YVR international | 1 | 0 | 0% | 1,733 | Delta Air Lines Inc. | Jan 2025 – Dec 2025 |