Flight
UAL1277 11 May 2026
UAL1277, operated by United Airlines, on 11 May 2026: San Francisco International (KSFO) to Washington Dulles International (KIAD), 2 legs. Scheduled and actual times are local to each airport (hover for UTC).
Leg 1 of 2
PlaneTrack receiver network| Route | KSFO SAN FRANCISCO INTERNATIONAL → KIAD WASHINGTON DULLES INTERNATIONAL |
| Status | Completed (receiver network) |
| First seen airborne | 06:47 PDT |
| Last seen | 14:26 EDT |
| Duration | 4h 38m |
| Aircraft | N75861 |
| Max altitude | 37,025 ft |
Leg 2 of 2
PlaneTrack receiver network| Route | KIAD WASHINGTON DULLES INTERNATIONAL → ? |
| Status | Completed (receiver network) |
| First seen airborne | 16:23 EDT |
| Last seen | 22:38Z |
| Duration | 2h 14m |
| Aircraft | N37507 |
| Max altitude | 34,000 ft |
Punctuality, last 30 days
| Flights | 7 |
| On time | 0 (0%) |
| Average delay | +43 min |
| Worst delay | +87 min |
In the last 30 days UAL1277 departed on time (within 15 minutes) on 0 of 7 flights (0%), with an average departure delay of +43 min and a worst delay of +87 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.