Flight
UAL439 26 Sep 2026
UAL439, operated by United Airlines, on 26 Sep 2026: Austin Bergstrom International (KAUS) to Denver International (KDEN), 2 legs. Scheduled and actual times are local to each airport (hover for UTC).
Leg 1 of 2
FAA SWIM schedule| Route | KAUS AUSTIN BERGSTROM INTERNATIONAL → KDEN DENVER INTERNATIONAL |
| Status | Completed |
| Actual departure | 20:29 CDT 25 Sep |
| Actual arrival | 21:28 MDT 25 Sep |
| Duration | 1h 59m |
| Aircraft | N87512 B738 |
| Max altitude | 36,000 ft |
| Distance tracked | 1,007 nm |
Leg 2 of 2
FAA SWIM schedule| Route | KIAD WASHINGTON DULLES INTERNATIONAL → KRDU RALEIGH DURHAM INTERNATIONAL |
| Status | Completed, departure delayed +30 min |
| Scheduled departure | 12:50 EDT |
| Actual departure | 13:20 EDT delayed +30 min |
| Actual arrival | 14:02 EDT |
| Duration | 0h 42m |
| Aircraft | N4888U A319 |
Punctuality, last 30 days
| Flights | 7 |
| On time | 4 (57%) |
| Average delay | +60 min |
| Worst delay | +208 min |
In the last 30 days UAL439 departed on time (within 15 minutes) on 4 of 7 flights (57%), with an average departure delay of +60 min and a worst delay of +208 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.