Flight
UAL1791 4 Apr 2026
UAL1791, operated by United Airlines, on 4 Apr 2026: Washington Dulles International (KIAD) to Detroit Metro Wayne Co (KDTW), 2 legs. Scheduled and actual times are local to each airport (hover for UTC).
Leg 1 of 2estimated
PlaneTrack receiver network| Route | KIAD WASHINGTON DULLES INTERNATIONAL → KDTW DETROIT METRO WAYNE CO |
| Status | Completed (receiver network) |
| First seen airborne | 20:00 EDT 3 Apr |
| Last seen | 21:22 EDT 3 Apr |
| Duration | 1h 21m |
| Aircraft | N476UA |
| Max altitude | 35,025 ft |
Leg 2 of 2
PlaneTrack receiver network| Route | KDTW DETROIT METRO WAYNE CO → KSFO SAN FRANCISCO INTERNATIONAL |
| Status | Completed (receiver network) |
| First seen airborne | 09:21 EDT |
| Last seen | 13:06 PDT |
| Duration | 6h 45m |
| Aircraft | N476UA |
| Max altitude | 34,000 ft |
| Distance tracked | 1,802 nm |
Punctuality, last 30 days
| Flights | 14 |
| On time | 3 (21%) |
| Average delay | +49 min |
| Worst delay | +123 min |
In the last 30 days UAL1791 departed on time (within 15 minutes) on 3 of 14 flights (21%), with an average departure delay of +49 min and a worst delay of +123 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.