Flight
UAL577 23 Sep 2026
UAL577, operated by United Airlines, on 23 Sep 2026: Lambert St Louis International (KSTL) to Linden Airport (KLDJ), 3 legs. Scheduled and actual times are local to each airport (hover for UTC).
Leg 1 of 3
PlaneTrack receiver network| Route | KSTL LAMBERT ST LOUIS INTERNATIONAL → KLDJ Linden Airport |
| Status | Completed (receiver network) |
| First seen airborne | 07:05 CDT |
| Last seen | 10:14 EDT |
| Duration | 2h 08m |
| Aircraft | N16709 |
| Max altitude | 41,000 ft |
| Distance tracked | 751 nm |
Leg 2 of 3estimated
PlaneTrack receiver network| Route | KMCO ORLANDO INTERNATIONAL → KEWR NEWARK LIBERTY INTERNATIONAL |
| Status | Completed (receiver network) |
| First seen airborne | 12:50 EDT |
| Last seen | 13:08 EDT |
| Duration | 0h 17m |
| Aircraft | N87442 |
| Distance tracked | 815 nm |
Leg 3 of 3
PlaneTrack receiver network| Route | KEWR NEWARK LIBERTY INTERNATIONAL → KBOS GENERAL EDWARD LAWRENCE LOGAN INTERNATIONAL |
| Status | Completed (receiver network) |
| First seen airborne | 13:14 EDT |
| Last seen | 14:22 EDT |
| Duration | 1h 08m |
| Aircraft | N87442 |
| Max altitude | 21,000 ft |
| Distance tracked | 174 nm |
Punctuality, last 30 days
| Flights | 12 |
| On time | 6 (50%) |
| Average delay | +34 min |
| Worst delay | +191 min |
In the last 30 days UAL577 departed on time (within 15 minutes) on 6 of 12 flights (50%), with an average departure delay of +34 min and a worst delay of +191 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.