Flight
UAL1251 10 May 2026
UAL1251, operated by United Airlines, on 10 May 2026: Albany International (KALB) 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 | KALB ALBANY INTERNATIONAL → KDEN DENVER INTERNATIONAL |
| Status | Completed (receiver network) |
| First seen airborne | 08:10 EDT |
| Last seen | 10:10 MDT |
| Duration | 3h 59m |
| Aircraft | A127BB |
| Max altitude | 36,000 ft |
| Distance tracked | 1,394 nm |
Leg 2 of 2estimated
PlaneTrack receiver network| Route | Route not recorded |
| Status | Completed (receiver network) |
| First seen airborne | 17:25Z |
| Last seen | 20:54Z |
| Duration | 3h 28m |
| Aircraft | A12734 |
| Max altitude | 32,000 ft |
Punctuality, last 30 days
| Flights | 13 |
| On time | 3 (23%) |
| Average delay | +44 min |
| Worst delay | +115 min |
In the last 30 days UAL1251 departed on time (within 15 minutes) on 3 of 13 flights (23%), with an average departure delay of +44 min and a worst delay of +115 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.