Flight
UAL1537 16 Sep 2026
UAL1537, operated by United Airlines, on 16 Sep 2026: Philadelphia International (KPHL) to Denver International (KDEN), 2 legs. Scheduled and actual times are local to each airport (hover for UTC).
Leg 1 of 2estimated
PlaneTrack receiver network| Route | KPHL PHILADELPHIA INTERNATIONAL → KDEN DENVER INTERNATIONAL |
| Status | Completed (receiver network) |
| First seen airborne | 10:21 EDT |
| Last seen | 11:44 MDT |
| Duration | 3h 22m |
| Aircraft | N77537 |
| Max altitude | 38,025 ft |
| Distance tracked | 1,349 nm |
Leg 2 of 2estimated
PlaneTrack receiver network| Route | Route not recorded |
| Status | Completed (receiver network) |
| First seen airborne | 20:06Z |
| Last seen | 22:42Z |
| Duration | 2h 36m |
| Aircraft | N433UA |
| Max altitude | 36,025 ft |
Punctuality, last 30 days
| Flights | 16 |
| On time | 7 (44%) |
| Average delay | +27 min |
| Worst delay | +115 min |
In the last 30 days UAL1537 departed on time (within 15 minutes) on 7 of 16 flights (44%), with an average departure delay of +27 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.