Flight
UAL2421 24 Sep 2026
UAL2421, operated by United Airlines, on 24 Sep 2026. Scheduled and actual times are local to each airport (hover for UTC).
Flightpartial
PlaneTrack receiver network| Route | KSFO SAN FRANCISCO INTERNATIONAL → ? |
| Status | Partial record (receiver network) |
| First seen airborne | 21:03 PDT 23 Sep |
| Aircraft | N77537 |
| Max altitude | 38,000 ft |
Punctuality, last 30 days
| Flights | 6 |
| On time | 2 (33%) |
| Average delay | +21 min |
| Worst delay | +52 min |
In the last 30 days UAL2421 departed on time (within 15 minutes) on 2 of 6 flights (33%), with an average departure delay of +21 min and a worst delay of +52 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.