Flight
UAL399 23 Sep 2026
UAL399, operated by United Airlines, on 23 Sep 2026: Keflavik Nas (BIKF) to Washington Dulles International (KIAD). Scheduled and actual times are local to each airport (hover for UTC).
Flight
PlaneTrack receiver network| Route | BIKF KEFLAVIK NAS → KIAD WASHINGTON DULLES INTERNATIONAL |
| Status | Completed (receiver network) |
| First seen airborne | 11:54 GMT |
| Last seen | 14:04 EDT |
| Duration | 6h 09m |
| Aircraft | N48127 |
| Max altitude | 34,000 ft |
| Distance tracked | 2,427 nm |
Punctuality, last 30 days
| Flights | 8 |
| On time | 5 (62%) |
| Average delay | +19 min |
| Worst delay | +56 min |
In the last 30 days UAL399 departed on time (within 15 minutes) on 5 of 8 flights (62%), with an average departure delay of +19 min and a worst delay of +56 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.