Flight
UAL123 21 Sep 2026
UAL123, operated by United Airlines, on 21 Sep 2026: Heathrow (EGLL) to Stewart International (KSWF), 2 legs. Scheduled and actual times are local to each airport (hover for UTC).
Leg 1 of 2
PlaneTrack receiver network| Route | EGLL HEATHROW → KSWF STEWART INTERNATIONAL |
| Status | Completed (receiver network) |
| First seen airborne | 07:45 BST |
| Last seen | 10:30 EDT |
| Duration | 7h 44m |
| Aircraft | N23983 |
| Max altitude | 40,000 ft |
| Distance tracked | 2,970 nm |
Leg 2 of 2
PlaneTrack receiver network| Route | KSWF STEWART INTERNATIONAL → KEWR NEWARK LIBERTY INTERNATIONAL |
| Status | Completed (receiver network) |
| First seen airborne | 19:20 EDT |
| Last seen | 19:48 EDT |
| Duration | 0h 27m |
| Aircraft | N23983 |
| Max altitude | 4,825 ft |
| Distance tracked | 48 nm |
Punctuality, last 30 days
| Flights | 8 |
| On time | 4 (50%) |
| Average delay | +16 min |
| Worst delay | +28 min |
In the last 30 days UAL123 departed on time (within 15 minutes) on 4 of 8 flights (50%), with an average departure delay of +16 min and a worst delay of +28 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.