Flight
UAL821 26 Jun 2026
UAL821, operated by United Airlines, on 26 Jun 2026, 2 legs. Scheduled and actual times are local to each airport (hover for UTC).
Leg 1 of 2estimated
PlaneTrack receiver network| Route | Route not recorded |
| Status | Completed (receiver network) |
| First seen airborne | 01:09Z |
| Last seen | 11:30Z |
| Duration | 10h 20m |
| Aircraft | N27959 |
| Max altitude | 39,000 ft |
Leg 2 of 2estimated
PlaneTrack receiver network| Route | VHHH HONG KONG INTERNATIONAL → ? |
| Status | Completed (receiver network) |
| First seen airborne | 22:45 HKT |
| Last seen | 18:32Z |
| Duration | 3h 46m |
| Aircraft | N29978 |
| Max altitude | 36,000 ft |
Punctuality, last 30 days
| Flights | 1 |
| On time | 0 (0%) |
| Average delay | +741 min |
| Worst delay | +741 min |
In the last 30 days UAL821 departed on time (within 15 minutes) on 0 of 1 flight (0%), with an average departure delay of +741 min and a worst delay of +741 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.