Flight
UAL1221 23 Feb 2026
UAL1221, operated by United Airlines, on 23 Feb 2026: Denver International (KDEN) to Ontario International (KONT). Scheduled and actual times are local to each airport (hover for UTC).
Flight
PlaneTrack receiver network| Route | KDEN DENVER INTERNATIONAL → KONT ONTARIO INTERNATIONAL |
| Status | Completed (receiver network) |
| First seen airborne | 20:09 MST 22 Feb |
| Last seen | 21:21 PST 22 Feb |
| Duration | 2h 11m |
| Aircraft | N14219 |
| Max altitude | 36,000 ft |
| Distance tracked | 710 nm |
Punctuality, last 30 days
| Flights | 8 |
| On time | 4 (50%) |
| Average delay | +31 min |
| Worst delay | +113 min |
In the last 30 days UAL1221 departed on time (within 15 minutes) on 4 of 8 flights (50%), with an average departure delay of +31 min and a worst delay of +113 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.