Flight
UAL637 4 Jan 2026
UAL637, operated by United Airlines, on 4 Jan 2026: Washington Dulles International (KIAD) to Austin Bergstrom International (KAUS). Scheduled and actual times are local to each airport (hover for UTC).
Flightestimated
PlaneTrack receiver network| Route | KIAD WASHINGTON DULLES INTERNATIONAL → KAUS AUSTIN BERGSTROM INTERNATIONAL |
| Status | Completed (receiver network) |
| First seen airborne | 08:12 EST |
| Last seen | 10:38 CST |
| Duration | 3h 25m |
| Aircraft | N433UA |
| Max altitude | 36,000 ft |
| Distance tracked | 1,125 nm |
Punctuality, last 30 days
| Flights | 16 |
| On time | 11 (69%) |
| Average delay | -70 min |
| Worst delay | +61 min |
In the last 30 days UAL637 departed on time (within 15 minutes) on 11 of 16 flights (69%), with an average departure delay of -70 min and a worst delay of +61 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.