Flight
UAL2121 21 Sep 2026
UAL2121, operated by United Airlines, on 21 Sep 2026: Denver International (KDEN) to Gerald R Ford International (KGRR). Scheduled and actual times are local to each airport (hover for UTC).
Flight
PlaneTrack receiver network| Route | KDEN DENVER INTERNATIONAL → KGRR GERALD R FORD INTERNATIONAL |
| Status | Completed (receiver network) |
| First seen airborne | 19:37 MDT 20 Sep |
| Last seen | 23:56 EDT 20 Sep |
| Duration | 2h 18m |
| Aircraft | N75435 |
| Max altitude | 35,000 ft |
| Distance tracked | 879 nm |
Punctuality, last 30 days
| Flights | 8 |
| On time | 4 (50%) |
| Average delay | -637 min |
| Worst delay | +413 min |
In the last 30 days UAL2121 departed on time (within 15 minutes) on 4 of 8 flights (50%), with an average departure delay of -637 min and a worst delay of +413 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.