Using the online timetable is an easy way to look at all the direct flights San Francisco — Houston
121 flights in a week
Departure and arrival times are local (San Francisco and Houston)
| Departure | Arrival | Flight days | Flight | Airlines | Flight time | Airports | |
|---|---|---|---|---|---|---|---|
| 00:30 | 06:30 | mon, tue, wed, fri, sat | UA512 | United Airlines | 4h 0m | San Francisco International Airport — George Bush Intercontinental Airport | Select dates |
| 00:39 | 06:40 | sun | UA512 | United Airlines | 4h 1m | San Francisco International Airport — George Bush Intercontinental Airport | Select dates |
| 00:43 | 06:30 | mon, thu, fri | UA365 | United Airlines | 3h 47m | San Francisco International Airport — George Bush Intercontinental Airport | Select dates |
| 00:43 | 06:32 | daily | UA512 | United Airlines | 3h 49m | San Francisco International Airport — George Bush Intercontinental Airport | Select dates |
| 00:43 | 06:33 | tue, wed, fri, sat | UA512 | United Airlines | 3h 50m | San Francisco International Airport — George Bush Intercontinental Airport | Select dates |
| 05:00 | 10:49 | daily | UA1687 | United Airlines | 3h 49m | San Francisco International Airport — George Bush Intercontinental Airport | Select dates |
| 05:00 | 10:58 | mon, tue, sun | UA1687 | United Airlines | 3h 58m | San Francisco International Airport — George Bush Intercontinental Airport | Select dates |
| 05:15 | 11:13 | mon, thu, fri, sat, sun | UA1687 | United Airlines | 3h 58m | San Francisco International Airport — George Bush Intercontinental Airport | Select dates |
| 07:15 | 13:13 | mon | UA1788 | United Airlines | 3h 58m | San Francisco International Airport — George Bush Intercontinental Airport | Select dates |
| 07:20 | 13:11 | daily | UA496 | United Airlines | 3h 51m | San Francisco International Airport — George Bush Intercontinental Airport | Select dates |
| 07:20 | 13:07 | daily | UA544 | United Airlines | 3h 47m | San Francisco International Airport — George Bush Intercontinental Airport | Select dates |
| 07:30 | 13:28 | daily | UA1788 | United Airlines | 3h 58m | San Francisco International Airport — George Bush Intercontinental Airport | Select dates |
| 09:00 | 14:58 | tue, wed, thu, fri, sat | UA2194 | United Airlines | 3h 58m | San Francisco International Airport — George Bush Intercontinental Airport | Select dates |
| 11:05 | 17:07 | daily | UA313 | United Airlines | 4h 2m | San Francisco International Airport — George Bush Intercontinental Airport | Select dates |
| 12:55 | 18:54 | mon, thu, fri, sat | UA1008 | United Airlines | 3h 59m | San Francisco International Airport — George Bush Intercontinental Airport | Select dates |
| 13:56 | 19:07 | sat | UA8170 | United Airlines | 3h 10m | San Francisco International Airport — George Bush Intercontinental Airport | Select dates |
| 14:39 | 20:38 | mon | UA2855 | United Airlines | 3h 59m | San Francisco International Airport — George Bush Intercontinental Airport | Select dates |
| 14:49 | 20:48 | tue, wed, thu, fri, sat, sun | UA2855 | United Airlines | 3h 59m | San Francisco International Airport — George Bush Intercontinental Airport | Select dates |
| 14:50 | 20:49 | mon, tue, wed | UA2855 | United Airlines | 3h 59m | San Francisco International Airport — George Bush Intercontinental Airport | Select dates |
| 16:00 | 21:59 | sat | UA776 | United Airlines | 3h 59m | San Francisco International Airport — George Bush Intercontinental Airport | Select dates |
| 16:15 | 22:14 | mon, tue, thu, fri, sun | UA776 | United Airlines | 3h 59m | San Francisco International Airport — George Bush Intercontinental Airport | Select dates |
| 16:25 | 22:19 | mon | UA594 | United Airlines | 3h 54m | San Francisco International Airport — George Bush Intercontinental Airport | Select dates |
| 18:40 | 00:26 | wed, thu, fri | UA2305 | United Airlines | 3h 46m | San Francisco International Airport — George Bush Intercontinental Airport | Select dates |
| 18:40 | 00:24 | sat | UA2305 | United Airlines | 3h 44m | San Francisco International Airport — George Bush Intercontinental Airport | Select dates |
| 18:51 | 00:45 | mon, wed, thu, fri, sat, sun | UA2305 | United Airlines | 3h 54m | San Francisco International Airport — George Bush Intercontinental Airport | Select dates |
| 18:55 | 00:50 | mon, tue, fri | UA2305 | United Airlines | 3h 55m | San Francisco International Airport — George Bush Intercontinental Airport | Select dates |
| 19:00 | 00:55 | tue, wed, fri, sat | UA2305 | United Airlines | 3h 55m | San Francisco International Airport — George Bush Intercontinental Airport | Select dates |
| 23:59 | 05:55 | tue, wed, fri, sat, sun | UA2070 | United Airlines | 3h 56m | San Francisco International Airport — George Bush Intercontinental Airport | Select dates |
| 23:59 | 05:45 | daily | UA505 | United Airlines | 3h 46m | San Francisco International Airport — George Bush Intercontinental Airport | Select dates |
| 23:59 | 05:56 | sat | UA505 | United Airlines | 3h 57m | San Francisco International Airport — George Bush Intercontinental Airport | Select dates |