Flight
UAL1831 25 Sep 2026
UAL1831, operated by United Airlines, on 25 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, departed on time (+7 min) |
| Scheduled departure | 14:40 EDT |
| Actual departure | 14:47 EDT on time |
| Actual arrival | 16:11 EDT |
| Duration | 1h 24m |
| Aircraft | N14249 B738 |
Leg 2 of 2
FAA SWIM schedule| Route | KIAD WASHINGTON DULLES INTERNATIONAL → KEWR NEWARK LIBERTY INTERNATIONAL |
| Status | Completed, departure delayed +78 min |
| Scheduled departure | 17:50 EDT |
| Actual departure | 19:08 EDT delayed +78 min |
| Actual arrival | 20:13 EDT |
| Duration | 1h 05m |
| Aircraft | N77572 B39M |
| Max altitude | 14,900 ft |
| Distance tracked | 146 nm |
Punctuality, last 30 days
| Flights | 15 |
| On time | 2 (13%) |
| Average delay | +41 min |
| Worst delay | +92 min |
In the last 30 days UAL1831 departed on time (within 15 minutes) on 2 of 15 flights (13%), with an average departure delay of +41 min and a worst delay of +92 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.