Flight
UAL2123 5 Jan 2026
UAL2123, operated by United Airlines, on 5 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 | 21:49 MST 4 Jan |
| Last seen | 23:48 PST 4 Jan |
| Duration | 2h 59m |
| Aircraft | A6ED3B |
| Max altitude | 30,050 ft |
| Distance tracked | 838 nm |
Punctuality, last 30 days
| Flights | 7 |
| On time | 1 (14%) |
| Average delay | +48 min |
| Worst delay | +87 min |
In the last 30 days UAL2123 departed on time (within 15 minutes) on 1 of 7 flights (14%), with an average departure delay of +48 min and a worst delay of +87 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.