Flight
UAL2121 29 Sep 2026
UAL2121, operated by United Airlines, on 29 Sep 2026: Denver International (KDEN) to Gerald R Ford International (KGRR). Scheduled and actual times are local to each airport (hover for UTC).
Flight
FAA SWIM schedule| Route | KDEN DENVER INTERNATIONAL → KGRR GERALD R FORD INTERNATIONAL |
| Status | Completed, departed on time (-1403 min) |
| Scheduled departure | 17:47 MDT |
| Actual departure | 18:24 MDT 28 Sep on time |
| Actual arrival | 21:58 EDT |
| Duration | 25h 34m |
| Aircraft | N17429 B39M |
| Max altitude | 35,000 ft |
| Distance tracked | 879 nm |
Punctuality, last 30 days
| Flights | 7 |
| On time | 3 (43%) |
| Average delay | -527 min |
| Worst delay | +413 min |
In the last 30 days UAL2121 departed on time (within 15 minutes) on 3 of 7 flights (43%), with an average departure delay of -527 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.