Flight
UAL3940 15 Dec 2025
UAL3940, operated by United Airlines, on 15 Dec 2025: 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 | 10:30 MST |
| Last seen | 11:50 PST |
| Duration | 2h 20m |
| Aircraft | N787UA |
| Max altitude | 40,025 ft |
| Distance tracked | 838 nm |
Punctuality, last 30 days
| Flights | 3 |
| On time | 0 (0%) |
| Average delay | +82 min |
| Worst delay | +163 min |
In the last 30 days UAL3940 departed on time (within 15 minutes) on 0 of 3 flights (0%), with an average departure delay of +82 min and a worst delay of +163 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.