flight_takeoff Flight
UAL821
Live map
Recent history last 30
| Date | Aircraft | Route | Takeoff | Landing | Duration | Dep Δ | Arr Δ |
|---|---|---|---|---|---|---|---|
| 2026-07-13 | A2A3D2 | - | Jul 13, 14:05 UTC | Jul 14, 03:15 UTC | 13h 10m | - | - |
| 2026-07-13 | A2A3D2 | - | Jul 13, 11:15 UTC | Jul 13, 11:20 UTC | 5m | - | - |
| 2026-07-13 | A2A3D2 | - | Jul 13, 09:10 UTC | Jul 13, 09:20 UTC | 10m | - | - |
| 2026-07-13 | A2A3D2 | BKK → HKG | Jul 13, 09:05 UTC | Jul 13, 11:20 UTC | 2h 15m | +20m | -5m |
| 2026-07-12 | A2CB9E | HKG → LAX | Jul 12, 15:01 UTC | Jul 13, 04:10 UTC | 13h 10m | - | - |
| 2026-07-12 | A2CB9E | HKG → LAX | Jul 12, 14:56 UTC | Jul 13, 04:05 UTC | 13h 9m | +71m | -6m |
| 2026-07-12 | A2CB9E | - | Jul 12, 11:01 UTC | Jul 12, 11:15 UTC | 15m | - | - |
| 2026-07-12 | A2CB9E | - | Jul 12, 08:55 UTC | Jul 12, 09:05 UTC | 10m | - | - |
| 2026-07-11 | A254DA | HKG → LAX | Jul 11, 13:55 UTC | Jul 12, 03:05 UTC | 13h 10m | - | - |
| 2026-07-11 | A254DA | - | Jul 11, 11:15 UTC | Jul 11, 11:30 UTC | 15m | - | - |
| 2026-07-11 | A254DA | - | Jul 11, 09:20 UTC | Jul 11, 09:30 UTC | 10m | - | - |
| 2026-07-11 | A254DA | BKK → HKG | Jul 11, 09:05 UTC | Jul 11, 11:33 UTC | 2h 28m | +20m | +1m |
| 2026-07-10 | A2A41E | - | Jul 10, 14:20 UTC | Jul 10, 14:40 UTC | 20m | - | - |
| 2026-07-10 | A2A41E | HKG → LAX | Jul 10, 14:13 UTC | Jul 11, 03:25 UTC | 13h 12m | +28m | -5m |
| 2026-07-10 | A2A41E | - | Jul 10, 11:30 UTC | Jul 10, 11:50 UTC | 20m | - | - |
| 2026-07-10 | A2A41E | - | Jul 10, 09:30 UTC | Jul 10, 10:00 UTC | 30m | - | - |
| 2026-07-09 | A2A3D2 | HKG → LAX | Jul 9, 14:06 UTC | Jul 10, 03:02 UTC | 12h 56m | +21m | +2m |
| 2026-07-09 | A2A3D2 | HKG → LAX | Jul 9, 14:00 UTC | Jul 10, 03:05 UTC | 13h 5m | - | - |
| 2026-07-09 | A2A3D2 | - | Jul 9, 11:05 UTC | Jul 9, 11:25 UTC | 20m | - | - |
| 2026-07-09 | A2A3D2 | - | Jul 9, 09:00 UTC | Jul 9, 09:30 UTC | 30m | - | - |
| 2026-07-08 | A2CB14 | - | Jul 8, 14:20 UTC | Jul 9, 03:25 UTC | 13h 5m | - | - |
| 2026-07-08 | A2CB14 | - | Jul 8, 11:00 UTC | Jul 8, 11:05 UTC | 5m | - | - |
| 2026-07-08 | A2CB14 | - | Jul 8, 08:50 UTC | Jul 8, 09:20 UTC | 30m | - | - |
| 2026-07-07 | A2061E | - | Jul 7, 14:40 UTC | Jul 8, 03:00 UTC | 12h 20m | - | - |
| 2026-07-07 | A2061E | - | Jul 7, 12:00 UTC | Jul 7, 12:15 UTC | 15m | - | - |
| 2026-07-07 | A2061E | - | Jul 7, 09:50 UTC | Jul 7, 11:15 UTC | 1h 25m | - | - |
| 2026-07-06 | A2CB14 | - | Jul 6, 14:15 UTC | Jul 7, 02:50 UTC | 12h 35m | - | - |
| 2026-07-06 | A2CB14 | HKG → LAX | Jul 6, 14:06 UTC | Jul 7, 02:43 UTC | 12h 37m | +21m | -1m |
| 2026-07-06 | A2CB14 | - | Jul 6, 11:15 UTC | Jul 6, 11:35 UTC | 20m | - | - |
| 2026-07-06 | A2CB14 | - | Jul 6, 09:00 UTC | Jul 6, 09:45 UTC | 45m | - | - |
Performance history
- Flights tracked
- 338 showing last 30
- Avg arrival delay
- -2m
- On-time arrival
- 100% 100% on time
- Aircraft used
- 6
Monthly activity 4 months
| Month | Flights tracked |
|---|---|
| July 2026 | 50 |
| June 2026 | 107 |
| May 2026 | 104 |
| April 2026 | 77 |
UAL821 frequently asked
How long is flight UAL821?
Based on observed flights, UAL821 takes on average 5h 7m from takeoff to landing.
How often does UAL821 fly?
UAL821 has been observed flying several times a week in our tracking data. We've recorded 338 flights under this callsign.
Is flight UAL821 usually on time?
Across recent flights, UAL821 arrives 2 minutes early on average. 100% of flights arrive within 15 minutes of schedule.
What aircraft operates flight UAL821?
UAL821 has been operated by 6 different aircraft in our records. Tail numbers are listed in the recent history below.
Can I track UAL821 live?
Yes. When UAL821 is currently airborne, the live tracker map above shows its real-time position from ADS-B broadcasts. If the map is empty, the flight is not currently in the air.