Flight
UAL2279 19 Dec 2025
UAL2279, operated by United Airlines, on 19 Dec 2025: San Francisco International (KSFO) to Seattle Tacoma International (KSEA), 3 legs. Scheduled and actual times are local to each airport (hover for UTC).
Leg 1 of 3
PlaneTrack receiver network| Route | KSFO SAN FRANCISCO INTERNATIONAL → KSEA SEATTLE TACOMA INTERNATIONAL |
| Status | Completed (receiver network) |
| First seen airborne | 16:32 PST 18 Dec |
| Last seen | 18:42 PST 18 Dec |
| Duration | 2h 09m |
| Aircraft | N448UA |
| Max altitude | 34,050 ft |
| Distance tracked | 590 nm |
Leg 2 of 3estimated
PlaneTrack receiver network| Route | ? → KBOS GENERAL EDWARD LAWRENCE LOGAN INTERNATIONAL |
| Status | Completed (receiver network) |
| First seen airborne | 03:06Z |
| Last seen | 09:20 EST |
| Duration | 11h 14m |
| Aircraft | N448UA |
| Max altitude | 21,000 ft |
Leg 3 of 3
PlaneTrack receiver network| Route | KBOS GENERAL EDWARD LAWRENCE LOGAN INTERNATIONAL → KSFO SAN FRANCISCO INTERNATIONAL |
| Status | Completed (receiver network) |
| First seen airborne | 11:07 EST |
| Last seen | 15:10 PST |
| Duration | 7h 02m |
| Aircraft | A12F75 |
| Max altitude | 34,025 ft |
| Distance tracked | 2,344 nm |
Punctuality, last 30 days
| Flights | 13 |
| On time | 2 (15%) |
| Average delay | -71 min |
| Worst delay | +69 min |
In the last 30 days UAL2279 departed on time (within 15 minutes) on 2 of 13 flights (15%), with an average departure delay of -71 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.