Flight
UAL421 23 Sep 2026
UAL421, operated by United Airlines, on 23 Sep 2026, 3 legs. Scheduled and actual times are local to each airport (hover for UTC).
Leg 1 of 3partial
PlaneTrack receiver network| Route | KIAD WASHINGTON DULLES INTERNATIONAL → ? |
| Status | Partial record (receiver network) |
| First seen airborne | 20:00 EDT 22 Sep |
| Aircraft | N14531 |
| Max altitude | 35,025 ft |
Leg 2 of 3
PlaneTrack receiver network| Route | KIAD WASHINGTON DULLES INTERNATIONAL → KORD CHICAGO OHARE INTERNATIONAL |
| Status | Completed (receiver network) |
| First seen airborne | 23:11 EDT 22 Sep |
| Last seen | 23:40 CDT 22 Sep |
| Duration | 1h 28m |
| Aircraft | N76532 |
| Max altitude | 38,000 ft |
| Distance tracked | 510 nm |
Leg 3 of 3partial
PlaneTrack receiver network| Route | KORD CHICAGO OHARE INTERNATIONAL → ? |
| Status | Partial record (receiver network) |
| First seen airborne | 23:45 CDT 22 Sep |
| Aircraft | N76532 |
| Max altitude | 35,050 ft |
| Distance tracked | 330 nm |
Punctuality, last 30 days
| Flights | 14 |
| On time | 5 (36%) |
| Average delay | +37 min |
| Worst delay | +175 min |
In the last 30 days UAL421 departed on time (within 15 minutes) on 5 of 14 flights (36%), with an average departure delay of +37 min and a worst delay of +175 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.