Flight
UAL821 14 Mar 2026
UAL821, operated by United Airlines, on 14 Mar 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 | 02:46Z |
| Last seen | 12:08Z |
| Duration | 9h 22m |
| Aircraft | N35953 |
| Max altitude | 39,000 ft |
Leg 2 of 2estimated
PlaneTrack receiver network| Route | VHHH HONG KONG INTERNATIONAL → PHJR Kalaeloa Airport |
| Status | Completed (receiver network) |
| First seen airborne | 23:24 HKT |
| Last seen | 09:00 HST |
| Duration | 3h 35m |
| Aircraft | N29981 |
| Max altitude | 33,000 ft |
| Distance tracked | 4,823 nm |
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.