Flight
UAL1831 27 Sep 2026
UAL1831, operated by United Airlines, on 27 Sep 2026: The William B Hartsfield Atlanta International (KATL) to Washington Dulles International (KIAD), 2 legs. Scheduled and actual times are local to each airport (hover for UTC).
Leg 1 of 2
FAA SWIM schedule| Route | KATL THE WILLIAM B HARTSFIELD ATLANTA INTERNATIONAL → KIAD WASHINGTON DULLES INTERNATIONAL |
| Status | Completed, departure delayed +68 min |
| Scheduled departure | 14:40 EDT |
| Actual departure | 15:48 EDT delayed +68 min |
| Actual arrival | 17:09 EDT |
| Duration | 1h 21m |
| Aircraft | N79521 B738 |
| Max altitude | 33,000 ft |
| Distance tracked | 463 nm |
Leg 2 of 2
FAA SWIM schedule| Route | KIAD WASHINGTON DULLES INTERNATIONAL → KEWR NEWARK LIBERTY INTERNATIONAL |
| Status | Completed, departure delayed +79 min |
| Scheduled departure | 17:50 EDT |
| Actual departure | 19:09 EDT delayed +79 min |
| Actual arrival | 19:54 EDT |
| Duration | 0h 45m |
| Aircraft | N17337 B38M |
| Max altitude | 21,000 ft |
| Distance tracked | 184 nm |
Punctuality, last 30 days
| Flights | 13 |
| On time | 1 (8%) |
| Average delay | +40 min |
| Worst delay | +79 min |
In the last 30 days UAL1831 departed on time (within 15 minutes) on 1 of 13 flights (8%), with an average departure delay of +40 min and a worst delay of +79 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.