Flight
UAL631 9 Mar 2026
UAL631, operated by United Airlines, on 9 Mar 2026: Denver International (KDEN) to Phoenix Sky Harbor International (KPHX), 2 legs. Scheduled and actual times are local to each airport (hover for UTC).
Leg 1 of 2
PlaneTrack receiver network| Route | KDEN DENVER INTERNATIONAL → KPHX PHOENIX SKY HARBOR INTERNATIONAL |
| Status | Completed (receiver network) |
| First seen airborne | 13:21 MDT |
| Last seen | 14:16 MST |
| Duration | 1h 54m |
| Aircraft | N78448 |
| Max altitude | 28,025 ft |
| Distance tracked | 522 nm |
Leg 2 of 2estimated
PlaneTrack receiver network| Route | KPHX PHOENIX SKY HARBOR INTERNATIONAL → ? |
| Status | Completed (receiver network) |
| First seen airborne | 16:08 MST |
| Last seen | 23:58Z |
| Duration | 0h 50m |
| Aircraft | N37408 |
| Max altitude | 35,000 ft |
Punctuality, last 30 days
| Flights | 7 |
| On time | 3 (43%) |
| Average delay | -136 min |
| Worst delay | +36 min |
In the last 30 days UAL631 departed on time (within 15 minutes) on 3 of 7 flights (43%), with an average departure delay of -136 min and a worst delay of +36 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.