Flight
UAL721 20 Aug 2026
UAL721, operated by United Airlines, on 20 Aug 2026: General Edward Lawrence Logan International (KBOS) to Washington Dulles International (KIAD). Scheduled and actual times are local to each airport (hover for UTC).
Flightestimated
PlaneTrack receiver network| Route | KBOS GENERAL EDWARD LAWRENCE LOGAN INTERNATIONAL → KIAD WASHINGTON DULLES INTERNATIONAL |
| Status | Completed (receiver network) |
| First seen airborne | 15:25 EDT |
| Last seen | 16:02 EDT |
| Duration | 0h 36m |
| Aircraft | N37437 |
| Max altitude | 20,000 ft |
| Distance tracked | 358 nm |
Punctuality, last 30 days
| Flights | 6 |
| On time | 1 (17%) |
| Average delay | +46 min |
| Worst delay | +94 min |
In the last 30 days UAL721 departed on time (within 15 minutes) on 1 of 6 flights (17%), with an average departure delay of +46 min and a worst delay of +94 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.