Information about flight UA643
Flight UA643 Seattle-Tacoma International Airport (Seattle) – San Francisco International Airport (San Francisco) is carried out by United Airlines 7 time(s) a week: mon, tue, wed, thu, fri, sat, sun.
The flight time is from 1h 30m.
| Departure | Arrival | Flight days | Airlines | Flight time | Airports | |
|---|---|---|---|---|---|---|
| 07:05 | 09:29 | daily | United Airlines | 2h 24m | Seattle-Tacoma International Airport — San Francisco International Airport | search |
| 10:52 | 12:22 | daily | United Airlines | 1h 30m | San Francisco International Airport — John Wayne Airport | search |
| 15:19 | 20:26 | daily | United Airlines | 3h 7m | John Wayne Airport — George Bush Intercontinental Airport | search |
Schedule by day
| Date | Airports | Departure | Arrival | Flight time | Aircraft | Airlines | |
|---|---|---|---|---|---|---|---|
| 02 Jan 2026 | Seattle-Tacoma International Airport — San Francisco International Airport | 15:19 | 20:26 | 3h 7m | 73G | United Airlines | search |
| 03 Jan 2026 | Seattle-Tacoma International Airport — San Francisco International Airport | 07:05 | 09:29 | 2h 24m | 320 | United Airlines | search |
| 03 Jan 2026 | Seattle-Tacoma International Airport — San Francisco International Airport | 10:52 | 12:22 | 1h 30m | 320 | United Airlines | search |
| 03 Jan 2026 | Seattle-Tacoma International Airport — San Francisco International Airport | 15:19 | 20:26 | 3h 7m | 73G | United Airlines | search |
| 04 Jan 2026 | Seattle-Tacoma International Airport — San Francisco International Airport | 07:05 | 09:29 | 2h 24m | 320 | United Airlines | search |
| 04 Jan 2026 | Seattle-Tacoma International Airport — San Francisco International Airport | 10:52 | 12:22 | 1h 30m | 320 | United Airlines | search |
| 04 Jan 2026 | Seattle-Tacoma International Airport — San Francisco International Airport | 15:19 | 20:26 | 3h 7m | 73G | United Airlines | search |
Return flights: AS1327, AS316, AS580, AS591, AS656, AS68, AS758, DL2809, UA1008, UA2279, UA2462, UA5328,