Flight
UAL337 21 Jun 2026
UAL337, operated by United Airlines, on 21 Jun 2026: Phoenix Sky Harbor International (KPHX) 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 | KPHX PHOENIX SKY HARBOR INTERNATIONAL → KDEN DENVER INTERNATIONAL |
| Status | Completed (receiver network) |
| First seen airborne | 07:06 MST |
| Last seen | 09:28 MDT |
| Duration | 1h 21m |
| Aircraft | N39463 |
| Max altitude | 35,025 ft |
| Distance tracked | 522 nm |
Leg 2 of 2estimated
PlaneTrack receiver network| Route | KDEN DENVER INTERNATIONAL → ? |
| Status | Completed (receiver network) |
| First seen airborne | 11:21 MDT |
| Last seen | 19:34Z |
| Duration | 2h 12m |
| Aircraft | A12AEA |
| Max altitude | 32,000 ft |
Punctuality, last 30 days
| Flights | 15 |
| On time | 9 (60%) |
| Average delay | +15 min |
| Worst delay | +35 min |
In the last 30 days UAL337 departed on time (within 15 minutes) on 9 of 15 flights (60%), with an average departure delay of +15 min and a worst delay of +35 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.