flight Aircraft
N2251U
BOEING 777-300ER
Operated by UNITED AIRLINES INC
- Tail number
- N2251U
- Type
- B77W
- Mode-S
- A1F622
Not currently tracked · last seen 3h ago
- Flights observed
- 127 showing last 50
- Avg flight time
- 10h 15m
- Typical route
- HKG → SFO
- Last seen
- 3h ago
Last known area
Recent flights last 50
| Date | Route | Takeoff | Landing | Duration |
|---|---|---|---|---|
| 2026-05-29 | CLE → PHX | May 29, 08:55 UTC | May 29, 22:30 UTC | 13h 35m |
| 2026-05-28 | IAH → MIA | May 28, 01:01 UTC | May 28, 13:05 UTC | 12h 4m |
| 2026-05-28 | IAH → MIA | May 28, 00:55 UTC | May 28, 13:10 UTC | 12h 15m |
| 2026-05-27 | CLE → PHX | May 27, 08:19 UTC | May 27, 21:40 UTC | 13h 21m |
| 2026-05-27 | CLE → PHX | May 27, 08:15 UTC | May 27, 21:45 UTC | 13h 30m |
| 2026-05-26 | HKG → SFO | May 26, 14:51 UTC | May 27, 02:42 UTC | 11h 51m |
| 2026-05-26 | HKG → SFO | May 26, 14:40 UTC | May 27, 02:29 UTC | 11h 50m |
| 2026-05-25 | SFO → HKG | May 25, 21:09 UTC | May 26, 10:39 UTC | 13h 30m |
| 2026-05-25 | TPE → SFO | May 25, 02:40 UTC | May 25, 02:55 UTC | 15m |
| 2026-05-25 | TPE → SFO | May 25, 02:23 UTC | May 25, 14:03 UTC | 11h 40m |
| 2026-05-24 | SFO → TPE | May 24, 10:30 UTC | May 24, 10:55 UTC | 25m |
| 2026-05-23 | SFO → TPE | May 23, 22:08 UTC | May 24, 10:48 UTC | 12h 40m |
| 2026-05-23 | SFO → TPE | May 23, 22:00 UTC | May 24, 09:20 UTC | 11h 20m |
| 2026-05-23 | HKG → SFO | May 23, 04:50 UTC | May 23, 07:35 UTC | 2h 45m |
| 2026-05-23 | HKG → SFO | May 23, 04:11 UTC | May 23, 15:42 UTC | 11h 31m |
| 2026-05-23 | HKG → SFO | May 23, 04:11 UTC | May 23, 15:44 UTC | 11h 33m |
| 2026-05-23 | HKG → SFO | May 23, 04:00 UTC | May 23, 04:15 UTC | 15m |
| 2026-05-22 | SFO → HKG | May 22, 07:25 UTC | May 22, 21:00 UTC | 13h 35m |
| 2026-05-21 | PHL → DEN | May 21, 14:05 UTC | May 22, 01:50 UTC | 11h 45m |
| 2026-05-20 | SEA → IAD | May 20, 21:42 UTC | May 21, 10:36 UTC | 12h 54m |
| 2026-05-20 | SEA → IAD | May 20, 21:45 UTC | May 21, 10:30 UTC | 12h 45m |
| 2026-05-20 | NRT → SFO | May 20, 08:15 UTC | May 20, 16:45 UTC | 8h 30m |
| 2026-05-19 | SFO → NRT | May 19, 19:15 UTC | May 20, 05:50 UTC | 10h 36m |
| 2026-05-19 | HKG → SFO | May 19, 04:11 UTC | May 19, 15:42 UTC | 11h 31m |
| 2026-05-19 | HKG → SFO | May 19, 04:00 UTC | May 19, 15:45 UTC | 11h 45m |
| 2026-05-18 | SFO → HKG | May 18, 06:55 UTC | May 18, 21:00 UTC | 14h 4m |
| 2026-05-17 | IAH → MIA | May 17, 00:55 UTC | May 17, 12:40 UTC | 11h 45m |
| 2026-05-16 | CLE → PHX | May 16, 08:16 UTC | May 16, 21:25 UTC | 13h 10m |
| 2026-05-15 | PHL → DEN | May 15, 13:56 UTC | May 16, 02:08 UTC | 12h 12m |
| 2026-05-15 | PHL → DEN | May 15, 14:15 UTC | May 16, 01:55 UTC | 11h 39m |
| 2026-05-14 | SEA → IAD | May 14, 21:27 UTC | May 15, 10:58 UTC | 13h 31m |
| 2026-05-14 | SEA → IAD | May 14, 21:40 UTC | May 15, 10:30 UTC | 12h 50m |
| 2026-05-14 | NRT → SFO | May 14, 08:15 UTC | May 14, 17:05 UTC | 8h 50m |
| 2026-05-13 | SFO → NRT | May 13, 19:05 UTC | May 14, 05:30 UTC | 10h 25m |
| 2026-05-13 | SFO → NRT | May 13, 19:05 UTC | May 14, 00:20 UTC | 5h 15m |
| 2026-05-13 | HKG → SFO | May 13, 04:11 UTC | May 13, 15:38 UTC | 11h 27m |
| 2026-05-13 | HKG → SFO | May 13, 03:55 UTC | May 13, 04:10 UTC | 15m |
| 2026-05-12 | SFO → HKG | May 12, 07:05 UTC | May 12, 20:45 UTC | 13h 40m |
| 2026-05-11 | HKG → SFO | May 11, 04:11 UTC | May 11, 15:33 UTC | 11h 22m |
| 2026-05-11 | HKG → SFO | May 11, 04:05 UTC | May 11, 15:30 UTC | 11h 25m |
| 2026-05-10 | SFO → HKG | May 10, 06:35 UTC | May 10, 20:28 UTC | 13h 53m |
| 2026-05-10 | SFO → HKG | May 10, 06:45 UTC | May 10, 07:45 UTC | 1h 0m |
| 2026-05-09 | IAH → MIA | May 9, 01:10 UTC | May 9, 13:15 UTC | 12h 5m |
| 2026-05-09 | IAH → MIA | May 9, 01:01 UTC | May 9, 13:10 UTC | 12h 9m |
| 2026-05-08 | CLE → PHX | May 8, 07:39 UTC | May 8, 21:30 UTC | 13h 50m |
| 2026-05-07 | HKG → SFO | May 7, 03:20 UTC | May 7, 03:25 UTC | 5m |
| 2026-05-06 | HKG → SFO | May 6, 14:51 UTC | May 7, 03:05 UTC | 12h 14m |
| 2026-05-06 | HKG → SFO | May 6, 14:35 UTC | May 6, 18:25 UTC | 3h 49m |
| 2026-05-05 | SFO → HKG | May 5, 20:32 UTC | May 6, 10:20 UTC | 13h 48m |
| 2026-05-05 | SFO → HKG | May 5, 20:35 UTC | May 6, 06:30 UTC | 9h 55m |
Specifications
| Registration | N2251U |
| Aircraft type | BOEING 777-300ER (B77W) |
| Operator | UNITED AIRLINES INC |
| Mode-S code | A1F622 · 50373042 (octal) |
Looking for transponder-level data? View the Mode-S A1F622 page for country allocation, callsign history, and ADS-B signal details.
N2251U frequently asked
What type of aircraft is N2251U?
N2251U is a BOEING 777-300ER (ICAO type code B77W).
Who operates N2251U?
N2251U is operated by UNITED AIRLINES INC.
What is the Mode-S transponder code for N2251U?
N2251U broadcasts on Mode-S (ICAO 24-bit) address A1F622 (octal 50373042). View the transponder page.
What route does N2251U typically fly?
N2251U most frequently flies between HKG and SFO based on observed flights.
Where is N2251U right now?
N2251U is not currently being tracked; last seen 3h ago.