Flight
UAL3904 21 Sep 2026
UAL3904, operated by United Airlines, on 21 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 | 21:09 PDT 20 Sep |
| Aircraft | N771UA |
| Max altitude | 36,000 ft |
| Distance tracked | 1,285 nm |
Punctuality, last 30 days
| Flights | 1 |
| On time | 0 (0%) |
| Average delay | +158 min |
| Worst delay | +158 min |
In the last 30 days UAL3904 departed on time (within 15 minutes) on 0 of 1 flight (0%), with an average departure delay of +158 min and a worst delay of +158 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.