San Francisco International ⇄ George Bush Intcntl/Houston SFO–IAH
Airlines flew 7,204 flights between San Francisco International SFO in San Francisco, CA and George Bush Intcntl/Houston IAH in Houston, TX in the twelve months to July 2026, both directions together: 1,222,626 passengers in 1,443,952 seats, 85% of them filled, and 13,510,997 pounds of freight. 1,635 miles, about 196 minutes in the air, on 2 airlines: United Air Lines Inc. (7,196), SkyWest Airlines Inc. (8). 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 | 459 |
| 2/25 | 457 |
| 3/25 | 573 |
| 4/25 | 584 |
| 5/25 | 604 |
| 6/25 | 581 |
| 7/25 | 596 |
| 8/25 | 596 |
| 9/25 | 580 |
| 10/25 | 609 |
| 11/25 | 601 |
| 12/25 | 623 |
| 1/26 | 606 |
| 2/26 | 559 |
| 3/26 | 615 |
| 4/26 | 601 |
| 5/26 | 615 |
| 6/26 | 604 |
| 7/26 | 595 |
Passengers by month
By month, as a table
| passengers | |
|---|---|
| 1/25 | 89,111 |
| 2/25 | 77,110 |
| 3/25 | 92,037 |
| 4/25 | 93,687 |
| 5/25 | 99,988 |
| 6/25 | 102,390 |
| 7/25 | 104,763 |
| 8/25 | 97,176 |
| 9/25 | 88,554 |
| 10/25 | 99,048 |
| 11/25 | 102,311 |
| 12/25 | 113,942 |
| 1/26 | 101,306 |
| 2/26 | 91,590 |
| 3/26 | 107,104 |
| 4/26 | 102,400 |
| 5/26 | 103,877 |
| 6/26 | 107,741 |
| 7/26 | 107,577 |
The airlines twelve months, both directions
| Airline | Flights | Passengers | Seats filled | Service |
|---|---|---|---|---|
| United Air Lines Inc. UA | 7,196 | 1,222,626 | 85% | charter cargo service, scheduled passenger service |
| SkyWest Airlines Inc. OO | 8 | 0 | 0% | scheduled passenger service |
The aircraft as the airlines report their types
| Aircraft | Flights | Seats a flight | Passengers |
|---|---|---|---|
| Boeing B737 Max 900 | 3,509 | 179 | 540,267 |
| Boeing 737-900ER | 2,358 | 179 | 348,803 |
| Boeing 777-200ER/200LR/233LR | 758 | 355 | 227,110 |
| Boeing 757-300 | 325 | 234 | 64,782 |
| Boeing 757-200 | 82 | 176 | 12,713 |
| B787-900 Dreamliner | 77 | 222 | 15,413 |
| Boeing B737 Max 800 | 21 | 166 | 3,115 |
| Boeing 737-800 | 21 | 158 | 2,916 |
| Boeing 737-900 | 17 | 179 | 2,476 |
| Boeing 777-300/300ER/333ER | 13 | 323 | 2,918 |
| Embraer ERJ-175 | 8 | 73 | 0 |
| Airbus Industrie A321-200n | 8 | 200 | 1,500 |
| Airbus Industrie A320-100/200 | 4 | 150 | 446 |
| Boeing 767-300/300ER | 3 | 68 | 167 |
SFO → IAH this direction alone · flown January 2025 to July 2026
3,603 flights of 3,601 scheduled, 610,784 passengers in 721,530 seats, 7,681,081 pounds of freight, 1,832,697 pounds of mail. United Air Lines Inc. 3,600; SkyWest Airlines Inc. 3.
IAH → SFO this direction alone · flown January 2025 to July 2026
3,601 flights of 3,603 scheduled, 611,842 passengers in 722,422 seats, 5,829,916 pounds of freight, 3,702 pounds of mail. United Air Lines Inc. 3,596; SkyWest Airlines Inc. 5.
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: San Francisco International SFO and George Bush Intcntl/Houston IAH; all routes.