Flight
UAL639 28 Sep 2026
UAL639, operated by United Airlines, on 28 Sep 2026: General Edward Lawrence Logan International (KBOS) to Los Angeles International (KLAX). Scheduled and actual times are local to each airport (hover for UTC).
Flight
FAA SWIM schedule| Route | KBOS GENERAL EDWARD LAWRENCE LOGAN INTERNATIONAL → KLAX LOS ANGELES INTERNATIONAL |
| Status | Completed, departed on time (-1255 min) |
| Scheduled departure | 18:40 EDT |
| Actual departure | 21:45 EDT 27 Sep on time |
| Actual arrival | 03:41 PDT 29 Sep |
| Duration | 32h 56m |
| Aircraft | N17413 B39M |
| Max altitude | 30,025 ft |
| Distance tracked | 2,261 nm |
Punctuality, last 30 days
| Flights | 7 |
| On time | 2 (29%) |
| Average delay | -127 min |
| Worst delay | +185 min |
In the last 30 days UAL639 departed on time (within 15 minutes) on 2 of 7 flights (29%), with an average departure delay of -127 min and a worst delay of +185 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.