Flight
UAL1252 31 Dec 2025
UAL1252, operated by United Airlines, on 31 Dec 2025: Philadelphia International (KPHL) to Denver International (KDEN), 2 legs. Scheduled and actual times are local to each airport (hover for UTC).
Leg 1 of 2
PlaneTrack receiver network| Route | KPHL PHILADELPHIA INTERNATIONAL → KDEN DENVER INTERNATIONAL |
| Status | Completed (receiver network) |
| First seen airborne | 10:01 EST |
| Last seen | 11:50 MST |
| Duration | 3h 49m |
| Aircraft | N36247 |
| Max altitude | 36,000 ft |
| Distance tracked | 1,349 nm |
Leg 2 of 2
PlaneTrack receiver network| Route | KDEN DENVER INTERNATIONAL → KLAX LOS ANGELES INTERNATIONAL |
| Status | Completed (receiver network) |
| First seen airborne | 13:39 MST |
| Last seen | 15:02 PST |
| Duration | 2h 22m |
| Aircraft | A0B7FD |
| Max altitude | 34,025 ft |
| Distance tracked | 748 nm |
Punctuality, last 30 days
| Flights | 19 |
| On time | 9 (47%) |
| Average delay | +16 min |
| Worst delay | +86 min |
In the last 30 days UAL1252 departed on time (within 15 minutes) on 9 of 19 flights (47%), with an average departure delay of +16 min and a worst delay of +86 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.