Flight
UAL1221 30 Dec 2025
UAL1221, operated by United Airlines, on 30 Dec 2025: Los Angeles International (KLAX) to San Francisco International (KSFO), 2 legs. Scheduled and actual times are local to each airport (hover for UTC).
Leg 1 of 2
PlaneTrack receiver network| Route | KLAX LOS ANGELES INTERNATIONAL → KSFO SAN FRANCISCO INTERNATIONAL |
| Status | Completed (receiver network) |
| First seen airborne | 18:46 PST 29 Dec |
| Last seen | 20:26 PST 29 Dec |
| Duration | 1h 39m |
| Aircraft | N37253 |
| Max altitude | 32,000 ft |
| Distance tracked | 293 nm |
Leg 2 of 2
PlaneTrack receiver network| Route | KSFO SAN FRANCISCO INTERNATIONAL → KLAX LOS ANGELES INTERNATIONAL |
| Status | Completed (receiver network) |
| First seen airborne | 21:00 PST 29 Dec |
| Last seen | 14:30 PST |
| Duration | 17h 30m |
| Aircraft | A44169 |
| Max altitude | 37,000 ft |
| Distance tracked | 293 nm |
Punctuality, last 30 days
| Flights | 8 |
| On time | 4 (50%) |
| Average delay | +31 min |
| Worst delay | +113 min |
In the last 30 days UAL1221 departed on time (within 15 minutes) on 4 of 8 flights (50%), with an average departure delay of +31 min and a worst delay of +113 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.