Flight
UAL1140 21 Dec 2025
UAL1140, operated by United Airlines, on 21 Dec 2025: 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 | 06:44 PST |
| Last seen | 14:16 EST |
| Duration | 4h 32m |
| Aircraft | N37548 |
| Max altitude | 35,025 ft |
| Distance tracked | 2,096 nm |
Leg 2 of 2partial
PlaneTrack receiver network| Route | KIAD WASHINGTON DULLES INTERNATIONAL → ? |
| Status | Partial record (receiver network) |
| First seen airborne | 17:56 EST |
| Aircraft | N67812 |
| Max altitude | 34,000 ft |
Punctuality, last 30 days
| Flights | 14 |
| On time | 5 (36%) |
| Average delay | +18 min |
| Worst delay | +35 min |
In the last 30 days UAL1140 departed on time (within 15 minutes) on 5 of 14 flights (36%), with an average departure delay of +18 min and a worst delay of +35 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.