Flight
UAL1434 4 Jan 2026
UAL1434, operated by United Airlines, on 4 Jan 2026: Washington Dulles International (KIAD) to San Francisco International (KSFO), 3 legs. Scheduled and actual times are local to each airport (hover for UTC).
Leg 1 of 3estimated
PlaneTrack receiver network| Route | KIAD WASHINGTON DULLES INTERNATIONAL → KSFO SAN FRANCISCO INTERNATIONAL |
| Status | Completed (receiver network) |
| First seen airborne | 19:00 EST 3 Jan |
| Last seen | 16:32 PST 3 Jan |
| Duration | 0h 31m |
| Aircraft | N47517 |
| Max altitude | 27,450 ft |
| Distance tracked | 2,096 nm |
Leg 2 of 3
PlaneTrack receiver network| Route | KSFO SAN FRANCISCO INTERNATIONAL → KIAD WASHINGTON DULLES INTERNATIONAL |
| Status | Completed (receiver network) |
| First seen airborne | 17:25 PST 3 Jan |
| Last seen | 10:56 EST |
| Duration | 14h 31m |
| Aircraft | N36280 |
| Max altitude | 37,000 ft |
| Distance tracked | 2,096 nm |
Leg 3 of 3
PlaneTrack receiver network| Route | KIAD WASHINGTON DULLES INTERNATIONAL → KSJC NORMAN Y MINETA SAN JOSE INTERNATIONAL |
| Status | Completed (receiver network) |
| First seen airborne | 13:18 EST |
| Last seen | 15:58 PST |
| Duration | 5h 39m |
| Aircraft | A12AE4 |
| Max altitude | 32,025 ft |
| Distance tracked | 2,080 nm |
Punctuality, last 30 days
| Flights | 11 |
| On time | 9 (82%) |
| Average delay | +12 min |
| Worst delay | +20 min |
In the last 30 days UAL1434 departed on time (within 15 minutes) on 9 of 11 flights (82%), with an average departure delay of +12 min and a worst delay of +20 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.