Flight
UAL1423 24 Sep 2026
UAL1423, operated by United Airlines, on 24 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 2
PlaneTrack receiver network| Route | KPHL PHILADELPHIA INTERNATIONAL → KDEN DENVER INTERNATIONAL |
| Status | Completed (receiver network) |
| First seen airborne | 08:05 EDT |
| Last seen | 09:39 MDT |
| Duration | 3h 34m |
| Aircraft | N17456 |
| Max altitude | 34,000 ft |
| Distance tracked | 1,349 nm |
Leg 2 of 2
PlaneTrack receiver network| Route | KDEN DENVER INTERNATIONAL → CYVR VANCOUVER INTERNATIONAL |
| Status | Completed (receiver network) |
| First seen airborne | 12:22 MDT |
| Last seen | 13:46 PDT |
| Duration | 2h 23m |
| Aircraft | N61881 |
| Max altitude | 34,000 ft |
| Distance tracked | 966 nm |
Punctuality, last 30 days
| Flights | 14 |
| On time | 7 (50%) |
| Average delay | +16 min |
| Worst delay | +34 min |
In the last 30 days UAL1423 departed on time (within 15 minutes) on 7 of 14 flights (50%), with an average departure delay of +16 min and a worst delay of +34 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.