Flight
UAL3901 2 Jan 2026
UAL3901, operated by United Airlines, on 2 Jan 2026: Denver International (KDEN) to San Francisco International (KSFO). Scheduled and actual times are local to each airport (hover for UTC).
Flight
PlaneTrack receiver network| Route | KDEN DENVER INTERNATIONAL → KSFO SAN FRANCISCO INTERNATIONAL |
| Status | Completed (receiver network) |
| First seen airborne | 02:16 MST |
| Last seen | 04:04 PST |
| Duration | 2h 47m |
| Aircraft | N29984 |
| Max altitude | 40,000 ft |
| Distance tracked | 838 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.