Flight
UAL421 1 Oct 2026
UAL421, operated by United Airlines, on 1 Oct 2026: Washington Dulles International (KIAD) to Chicago Ohare International (KORD), 3 legs. Scheduled and actual times are local to each airport (hover for UTC).
Leg 1 of 3
FAA SWIM schedule| Route | KIAD WASHINGTON DULLES INTERNATIONAL → KORD CHICAGO OHARE INTERNATIONAL |
| Status | Completed, departure delayed +19 min |
| Scheduled departure | 22:18 EDT 30 Sep |
| Actual departure | 22:37 EDT 30 Sep delayed +19 min |
| Actual arrival | 23:07 CDT 30 Sep |
| Duration | 1h 30m |
| Aircraft | N14566 A21N |
| Max altitude | 35,025 ft |
Leg 2 of 3
FAA SWIM schedule| Route | KSJC NORMAN Y MINETA SAN JOSE INTERNATIONAL → KDEN DENVER INTERNATIONAL |
| Status | Completed, departure delayed +19 min |
| Scheduled departure | 10:45 PDT |
| Actual departure | 11:04 PDT delayed +19 min |
| Actual arrival | 14:14 MDT |
| Duration | 2h 10m |
| Aircraft | N69826 B739 |
Leg 3 of 3
FAA SWIM schedule| Route | KDEN DENVER INTERNATIONAL → KIAD WASHINGTON DULLES INTERNATIONAL |
| Status | Completed, departure delayed +87 min |
| Scheduled departure | 15:45 MDT |
| Actual departure | 17:12 MDT delayed +87 min |
| Actual arrival | 21:57 EDT |
| Duration | 2h 45m |
| Aircraft | N34535 A21N |
| Max altitude | 35,000 ft |
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.