flight_takeoff Flight
UAL921
Live map
Recent history last 30
| Date | Aircraft | Route | Takeoff | Landing | Duration | Dep Δ | Arr Δ |
|---|---|---|---|---|---|---|---|
| 2026-07-13 | A8AC35 | - | Jul 13, 21:30 UTC | Jul 14, 04:20 UTC | 6h 50m | - | - |
| 2026-07-13 | A8AC35 | LHR → EWR | Jul 13, 21:04 UTC | Jul 14, 04:17 UTC | 7h 13m | +244m | -5m |
| 2026-07-12 | A8AC35 | - | Jul 12, 17:55 UTC | Jul 12, 19:10 UTC | 1h 15m | - | - |
| 2026-07-12 | A8AC35 | LHR → EWR | Jul 12, 17:22 UTC | Jul 13, 00:54 UTC | 7h 32m | +22m | +4m |
| 2026-07-12 | A8AC35 | LHR → EWR | Jul 12, 17:22 UTC | Jul 13, 00:55 UTC | 7h 33m | +22m | +5m |
| 2026-07-11 | A8A87E | - | Jul 11, 17:35 UTC | Jul 12, 00:50 UTC | 7h 15m | - | - |
| 2026-07-11 | A8A87E | LHR → EWR | Jul 11, 17:22 UTC | Jul 12, 00:51 UTC | 7h 29m | +22m | +8m |
| 2026-07-10 | A8D3B4 | - | Jul 10, 17:40 UTC | Jul 11, 01:00 UTC | 7h 20m | - | - |
| 2026-07-09 | A8EC57 | - | Jul 9, 20:00 UTC | Jul 9, 21:15 UTC | 1h 15m | - | - |
| 2026-07-09 | A8EC57 | LHR → EWR | Jul 9, 19:53 UTC | Jul 10, 03:28 UTC | 7h 35m | +173m | +166m |
| 2026-07-09 | A8EC57 | LHR → EWR | Jul 9, 19:53 UTC | Jul 10, 03:04 UTC | 7h 11m | +173m | +142m |
| 2026-07-08 | A8A87E | - | Jul 8, 17:30 UTC | Jul 9, 00:45 UTC | 7h 15m | - | - |
| 2026-07-08 | A8A87E | LHR → EWR | Jul 8, 17:32 UTC | Jul 9, 00:44 UTC | 7h 12m | +32m | -1m |
| 2026-07-07 | A8CC46 | - | Jul 7, 17:30 UTC | Jul 8, 00:30 UTC | 7h 0m | - | - |
| 2026-07-06 | A8E8A0 | - | Jul 6, 21:30 UTC | Jul 7, 04:55 UTC | 7h 25m | - | - |
| 2026-07-05 | A9178D | - | Jul 5, 17:30 UTC | Jul 6, 00:40 UTC | 7h 10m | - | - |
| 2026-07-04 | A9178D | - | Jul 4, 17:20 UTC | Jul 4, 18:40 UTC | 1h 20m | - | - |
| 2026-07-04 | A9178D | LHR → EWR | Jul 4, 17:22 UTC | Jul 5, 00:47 UTC | 7h 25m | +22m | -8m |
| 2026-07-03 | A91B44 | - | Jul 3, 22:10 UTC | Jul 4, 05:25 UTC | 7h 15m | - | - |
| 2026-07-03 | A91B44 | LHR → EWR | Jul 3, 21:47 UTC | Jul 4, 05:21 UTC | 7h 34m | +287m | -13m |
| 2026-07-02 | A8DD7B | - | Jul 2, 17:30 UTC | Jul 3, 01:20 UTC | 7h 50m | - | - |
| 2026-07-02 | A8DD7B | LHR → EWR | Jul 2, 17:22 UTC | Jul 3, 01:16 UTC | 7h 54m | +22m | -5m |
| 2026-07-01 | A8CC46 | - | Jul 1, 17:25 UTC | Jul 1, 18:45 UTC | 1h 20m | - | - |
| 2026-07-01 | A8CC46 | LHR → EWR | Jul 1, 17:22 UTC | Jul 2, 00:54 UTC | 7h 32m | +22m | +1m |
| 2026-06-30 | A8C4D8 | - | Jun 30, 17:45 UTC | Jul 1, 00:55 UTC | 7h 10m | - | - |
| 2026-06-29 | A8F3C5 | - | Jun 29, 17:30 UTC | Jun 30, 00:45 UTC | 7h 15m | - | - |
| 2026-06-28 | A8AC35 | LHR → EWR | Jun 28, 17:30 UTC | Jun 29, 00:49 UTC | 7h 20m | - | - |
| 2026-06-27 | A8C4D8 | - | Jun 27, 17:14 UTC | Jun 28, 00:15 UTC | 7h 0m | - | - |
| 2026-06-26 | A8CC46 | - | Jun 26, 17:40 UTC | Jun 27, 00:55 UTC | 7h 15m | - | - |
| 2026-06-25 | A8D76B | - | Jun 25, 18:00 UTC | Jun 26, 01:34 UTC | 7h 35m | - | - |
Performance history
- Flights tracked
- 145 showing last 30
- Avg arrival delay
- +27m
- On-time arrival
- 82% 82% on time
- Aircraft used
- 12
Monthly activity 4 months
| Month | Flights tracked |
|---|---|
| July 2026 | 24 |
| June 2026 | 41 |
| May 2026 | 44 |
| April 2026 | 36 |
UAL921 frequently asked
How long is flight UAL921?
Based on observed flights, UAL921 takes on average 6h 33m from takeoff to landing.
How often does UAL921 fly?
UAL921 has been observed flying several times a week in our tracking data. We've recorded 145 flights under this callsign.
Is flight UAL921 usually on time?
Across recent flights, UAL921 arrives with an average 27-minute delay. 82% of flights arrive within 15 minutes of schedule.
What aircraft operates flight UAL921?
UAL921 has been operated by 12 different aircraft in our records. Tail numbers are listed in the recent history below.
Can I track UAL921 live?
Yes. When UAL921 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.