Flight
UAL3901 13 Sep 2026
UAL3901, operated by United Airlines, on 13 Sep 2026: Washington Dulles International (KIAD) to San Francisco International (KSFO). Scheduled and actual times are local to each airport (hover for UTC).
Flight
PlaneTrack receiver network| Route | KIAD WASHINGTON DULLES INTERNATIONAL → KSFO SAN FRANCISCO INTERNATIONAL |
| Status | Completed (receiver network) |
| First seen airborne | 09:46 EDT |
| Last seen | 12:32 PDT |
| Duration | 5h 45m |
| Aircraft | N774UA |
| Max altitude | 38,000 ft |
| Distance tracked | 2,096 nm |
Punctuality, last 30 days
| Flights | 2 |
| On time | 1 (50%) |
| Average delay | +62 min |
| Worst delay | +116 min |
In the last 30 days UAL3901 departed on time (within 15 minutes) on 1 of 2 flights (50%), with an average departure delay of +62 min and a worst delay of +116 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.