George Bush Intcntl/Houston ⇄ St. Louis Lambert International IAH–STL
Airlines flew 2,499 flights between George Bush Intcntl/Houston IAH in Houston, TX and St. Louis Lambert International STL in St Louis, MO in the twelve months to July 2026, both directions together: 177,201 passengers in 231,299 seats, 77% of them filled, and 23,531 pounds of freight. 667 miles, about 97 minutes in the air, on 6 airlines: Mesa Airlines Inc. (1,592), United Air Lines Inc. (708), SkyWest Airlines Inc. (133), GoJet Airlines LLC d/b/a United Express (59) 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 | 171 |
| 2/25 | 182 |
| 3/25 | 230 |
| 4/25 | 213 |
| 5/25 | 237 |
| 6/25 | 216 |
| 7/25 | 211 |
| 8/25 | 220 |
| 9/25 | 227 |
| 10/25 | 219 |
| 11/25 | 222 |
| 12/25 | 182 |
| 1/26 | 169 |
| 2/26 | 163 |
| 3/26 | 185 |
| 4/26 | 182 |
| 5/26 | 211 |
| 6/26 | 254 |
| 7/26 | 265 |
Passengers by month
By month, as a table
| passengers | |
|---|---|
| 1/25 | 14,365 |
| 2/25 | 13,539 |
| 3/25 | 16,957 |
| 4/25 | 15,261 |
| 5/25 | 19,129 |
| 6/25 | 18,786 |
| 7/25 | 14,090 |
| 8/25 | 14,726 |
| 9/25 | 16,134 |
| 10/25 | 17,223 |
| 11/25 | 15,456 |
| 12/25 | 14,656 |
| 1/26 | 13,942 |
| 2/26 | 12,904 |
| 3/26 | 13,995 |
| 4/26 | 13,255 |
| 5/26 | 14,332 |
| 6/26 | 15,400 |
| 7/26 | 15,178 |
The airlines twelve months, both directions
| Airline | Flights | Passengers | Seats filled | Service |
|---|---|---|---|---|
| Mesa Airlines Inc. YV | 1,592 | 96,269 | 83% | scheduled passenger service |
| United Air Lines Inc. UA | 708 | 68,880 | 68% | scheduled passenger service |
| SkyWest Airlines Inc. OO | 133 | 9,243 | 91% | scheduled passenger service |
| GoJet Airlines LLC d/b/a United Express G7 | 59 | 2,385 | 81% | scheduled passenger service |
| CommuteAir LLC dba CommuteAir C5 | 6 | 281 | 94% | scheduled passenger service |
| American Airlines Inc. AA | 1 | 143 | 75% | scheduled passenger service |
The aircraft as the airlines report their types
| Aircraft | Flights | Seats a flight | Passengers |
|---|---|---|---|
| Embraer ERJ-175 | 1,725 | 73 | 105,512 |
| Airbus Industrie A319 | 259 | 126 | 23,419 |
| Airbus Industrie A320-100/200 | 221 | 150 | 23,396 |
| Boeing 737-700/700LR/Max 7 | 76 | 126 | 7,472 |
| Bombardier CRJ550 | 59 | 50 | 2,385 |
| Boeing 737-900 | 58 | 179 | 5,443 |
| Boeing 737-800 | 38 | 166 | 3,322 |
| Boeing 737-900ER | 18 | 179 | 1,781 |
| Boeing B737 Max 800 | 17 | 166 | 1,724 |
| Boeing B737 Max 900 | 15 | 179 | 1,427 |
| Airbus Industrie A321-200n | 6 | 200 | 896 |
| Embraer-145 | 6 | 50 | 281 |
| Airbus Industrie A321Neoxlr | 1 | 190 | 143 |
IAH → STL this direction alone · flown January 2025 to July 2026
1,252 flights of 1,253 scheduled, 88,863 passengers in 116,294 seats, 19,722 pounds of freight. Mesa Airlines Inc. 796; United Air Lines Inc. 357; SkyWest Airlines Inc. 66; GoJet Airlines LLC d/b/a United Express 29; CommuteAir LLC dba CommuteAir 3; American Airlines Inc. 1.
STL → IAH this direction alone · flown January 2025 to July 2026
1,247 flights of 1,255 scheduled, 88,338 passengers in 115,005 seats, 3,809 pounds of freight. Mesa Airlines Inc. 796; United Air Lines Inc. 351; SkyWest Airlines Inc. 67; GoJet Airlines LLC d/b/a United Express 30; CommuteAir LLC dba CommuteAir 3.
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 St. Louis Lambert International STL; all routes.