Flight
UAL520 29 Jan 2026
UAL520, operated by United Airlines, on 29 Jan 2026: Los Angeles International (KLAX) to San Francisco International (KSFO), 3 legs. Scheduled and actual times are local to each airport (hover for UTC).
Leg 1 of 3estimated
PlaneTrack receiver network| Route | KLAX LOS ANGELES INTERNATIONAL → KSFO SAN FRANCISCO INTERNATIONAL |
| Status | Completed (receiver network) |
| First seen airborne | 16:00 PST 28 Jan |
| Last seen | 08:36 PST |
| Duration | 16h 35m |
| Aircraft | A0B821 |
| Max altitude | 35,050 ft |
| Distance tracked | 293 nm |
Leg 2 of 3
PlaneTrack receiver network| Route | KSFO SAN FRANCISCO INTERNATIONAL → KPHX PHOENIX SKY HARBOR INTERNATIONAL |
| Status | Completed (receiver network) |
| First seen airborne | 10:55 PST |
| Last seen | 14:02 MST |
| Duration | 2h 07m |
| Aircraft | N38424 |
| Max altitude | 27,000 ft |
| Distance tracked | 564 nm |
Leg 3 of 3estimated
PlaneTrack receiver network| Route | Route not recorded |
| Status | Completed (receiver network) |
| First seen airborne | 22:13Z |
| Last seen | 23:58Z |
| Duration | 1h 44m |
| Aircraft | A55FE9 |
| Max altitude | 35,050 ft |
Punctuality, last 30 days
| Flights | 16 |
| On time | 5 (31%) |
| Average delay | +57 min |
| Worst delay | +139 min |
In the last 30 days UAL520 departed on time (within 15 minutes) on 5 of 16 flights (31%), with an average departure delay of +57 min and a worst delay of +139 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.