Flight
UAL2279 28 Dec 2025
UAL2279, operated by United Airlines, on 28 Dec 2025: San Francisco International (KSFO) to Seattle Tacoma International (KSEA), 2 legs. Scheduled and actual times are local to each airport (hover for UTC).
Leg 1 of 2estimated
PlaneTrack receiver network| Route | KSFO SAN FRANCISCO INTERNATIONAL → KSEA SEATTLE TACOMA INTERNATIONAL |
| Status | Completed (receiver network) |
| First seen airborne | 16:26 PST 27 Dec |
| Last seen | 06:14 PST |
| Duration | 13h 47m |
| Aircraft | N478UA |
| Max altitude | 28,025 ft |
| Distance tracked | 590 nm |
Leg 2 of 2
PlaneTrack receiver network| Route | KBOS GENERAL EDWARD LAWRENCE LOGAN INTERNATIONAL → KSFO SAN FRANCISCO INTERNATIONAL |
| Status | Completed (receiver network) |
| First seen airborne | 11:00 EST |
| Last seen | 14:22 PST |
| Duration | 6h 21m |
| Aircraft | N37554 |
| Max altitude | 36,025 ft |
| Distance tracked | 2,344 nm |
Punctuality, last 30 days
| Flights | 11 |
| On time | 2 (18%) |
| Average delay | -93 min |
| Worst delay | +69 min |
In the last 30 days UAL2279 departed on time (within 15 minutes) on 2 of 11 flights (18%), with an average departure delay of -93 min and a worst delay of +69 min.
Schedule, departure and arrival times from the FAA SWIM feed; aircraft, altitude and distance from the PlaneTrack receiver network. On time means a departure within 15 minutes of schedule.