Flight
UAL2123 29 Sep 2026
UAL2123, operated by United Airlines, on 29 Sep 2026: Denver International (KDEN) to San Francisco International (KSFO). Scheduled and actual times are local to each airport (hover for UTC).
Flight
FAA SWIM schedule| Route | KDEN DENVER INTERNATIONAL → KSFO SAN FRANCISCO INTERNATIONAL |
| Status | Completed, departure delayed +52 min |
| Scheduled departure | 21:05 MDT 28 Sep |
| Actual departure | 21:57 MDT 28 Sep delayed +52 min |
| Actual arrival | 23:02 PDT 28 Sep |
| Duration | 2h 05m |
| Aircraft | N14504 A21N |
| Max altitude | 36,025 ft |
| Distance tracked | 838 nm |
Punctuality, last 30 days
| Flights | 7 |
| On time | 1 (14%) |
| Average delay | +46 min |
| Worst delay | +80 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 +46 min and a worst delay of +80 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.