Flight
UAL1537 20 Aug 2026
UAL1537, operated by United Airlines, on 20 Aug 2026: Philadelphia International (KPHL) to Denver International (KDEN). Scheduled and actual times are local to each airport (hover for UTC).
Flightestimated
PlaneTrack receiver network| Route | KPHL PHILADELPHIA INTERNATIONAL → KDEN DENVER INTERNATIONAL |
| Status | Completed (receiver network) |
| First seen airborne | 10:25 EDT |
| Last seen | 17:28 MDT |
| Duration | 9h 03m |
| Aircraft | N37281 |
| Max altitude | 36,025 ft |
| Distance tracked | 1,349 nm |
Punctuality, last 30 days
| Flights | 13 |
| On time | 6 (46%) |
| Average delay | +24 min |
| Worst delay | +102 min |
In the last 30 days UAL1537 departed on time (within 15 minutes) on 6 of 13 flights (46%), with an average departure delay of +24 min and a worst delay of +102 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.