George Bush Intcntl/Houston ⇄ Denver International IAH–DEN
Airlines flew 9,913 flights between George Bush Intcntl/Houston IAH in Houston, TX and Denver International DEN in Denver, CO in the twelve months to July 2026, both directions together: 1,641,306 passengers in 1,963,517 seats, 84% of them filled, and 33,119,379 pounds of freight. 861 miles, about 123 minutes in the air, on 6 airlines: United Air Lines Inc. (7,811), Frontier Airlines Inc. (1,622), Air Transport International (410), SkyWest Airlines Inc. (56) and 2 more. Planning to fly it yourself? The weather and winds along this route right now.
Flights by month both directions
By month, as a table
| flights | |
|---|---|
| 1/25 | 749 |
| 2/25 | 684 |
| 3/25 | 753 |
| 4/25 | 716 |
| 5/25 | 751 |
| 6/25 | 787 |
| 7/25 | 809 |
| 8/25 | 811 |
| 9/25 | 771 |
| 10/25 | 806 |
| 11/25 | 716 |
| 12/25 | 793 |
| 1/26 | 812 |
| 2/26 | 761 |
| 3/26 | 878 |
| 4/26 | 809 |
| 5/26 | 894 |
| 6/26 | 922 |
| 7/26 | 940 |
Passengers by month
By month, as a table
| passengers | |
|---|---|
| 1/25 | 138,397 |
| 2/25 | 123,310 |
| 3/25 | 137,505 |
| 4/25 | 122,452 |
| 5/25 | 132,162 |
| 6/25 | 144,353 |
| 7/25 | 153,090 |
| 8/25 | 137,462 |
| 9/25 | 124,578 |
| 10/25 | 136,408 |
| 11/25 | 129,853 |
| 12/25 | 150,599 |
| 1/26 | 133,743 |
| 2/26 | 126,937 |
| 3/26 | 138,956 |
| 4/26 | 123,402 |
| 5/26 | 139,953 |
| 6/26 | 144,702 |
| 7/26 | 154,713 |
The airlines twelve months, both directions
| Airline | Flights | Passengers | Seats filled | Service |
|---|---|---|---|---|
| United Air Lines Inc. UA | 7,811 | 1,361,367 | 84% | charter passenger service, scheduled passenger service |
| Frontier Airlines Inc. F9 | 1,622 | 279,767 | 81% | scheduled passenger service |
| Air Transport International 8C | 410 | 0 | charter cargo service | |
| SkyWest Airlines Inc. OO | 56 | 113 | 3% | scheduled passenger service |
| Atlas Air Inc. 5Y | 13 | 0 | 0% | charter passenger service |
| Mesa Airlines Inc. YV | 1 | 59 | 78% | scheduled passenger service |
The aircraft as the airlines report their types
| Aircraft | Flights | Seats a flight | Passengers |
|---|---|---|---|
| Airbus Industrie A321-200n | 4,575 | 205 | 785,540 |
| Boeing 737-900ER | 1,972 | 179 | 290,385 |
| Boeing 757-300 | 909 | 234 | 190,640 |
| Airbus Industrie A320-200n | 625 | 186 | 97,472 |
| Boeing 777-200ER/200LR/233LR | 451 | 364 | 135,551 |
| Boeing B737 Max 900 | 450 | 179 | 66,230 |
| Boeing 767-300/300ER | 418 | 4 | 1,354 |
| Airbus Industrie A321Neoxlr | 235 | 230 | 44,102 |
| Airbus Industrie A320-100/200 | 82 | 180 | 12,264 |
| Boeing 757-200 | 79 | 176 | 11,983 |
| Embraer ERJ-175 | 42 | 71 | 172 |
| Boeing 737-800 | 25 | 166 | 3,054 |
| Boeing 747-400 | 13 | 260 | 0 |
| Canadair RJ-200ER /RJ-440 | 12 | 50 | 0 |
| Boeing B737 Max 800 | 6 | 166 | 820 |
| Airbus Industrie A319 | 6 | 105 | 361 |
| Boeing 737-700/700LR/Max 7 | 5 | 126 | 399 |
| Bombardier CRJ550 | 3 | 50 | 0 |
| B787-900 Dreamliner | 3 | 257 | 681 |
| Boeing 737-900 | 2 | 179 | 298 |
IAH → DEN this direction alone · flown January 2025 to July 2026
4,952 flights of 4,732 scheduled, 827,831 passengers in 981,167 seats, 17,918,544 pounds of freight, 45,615 pounds of mail. United Air Lines Inc. 3,907; Frontier Airlines Inc. 808; Air Transport International 207; SkyWest Airlines Inc. 25; Atlas Air Inc. 4; Mesa Airlines Inc. 1.
DEN → IAH this direction alone · flown January 2025 to July 2026
4,961 flights of 4,744 scheduled, 813,475 passengers in 982,350 seats, 15,200,835 pounds of freight, 95,335 pounds of mail. United Air Lines Inc. 3,904; Frontier Airlines Inc. 814; Air Transport International 203; SkyWest Airlines Inc. 31; Atlas Air Inc. 9.
Source: the Bureau of Transportation Statistics' T-100 Segment table (all carriers). A flight is one departure performed on this segment; seats and passengers are the airlines' own monthly reports; "seats filled" is passengers divided by seats. The miles are the DOT's great-circle distance. Both ends: George Bush Intcntl/Houston IAH and Denver International DEN; all routes.