N2251U
Built 2020 · registered US
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This aircraft
Type photo — not this specific aircraftPhoto: John Taggart from Sunbury on Thames, Middlesex · CC BY-SA 2.0777-300ER for sale now
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Flight activity
(99 tracking legs recorded)Live tracking paused — activity data through 24 Aug 2026. Windows below are measured to that date.
- 30 days to 24 Aug 2026
- 13
- 90 days to 24 Aug 2026
- 99
- Last seen
- 23 Aug 2026
- Tracked since
- 26 May 2026
Frequent routes: KSFO → KEWR (1)
- Tracked flight21 Aug 2026 · 11h 25m
- Tracked flight19 Aug 2026 · 12h 19m
- Tracked flight11 Aug 2026 · 12h 41m
- Tracked flight10 Aug 2026 · 13h 21m
- Tracked flight7 Aug 2026 · 12h 27m
- Tracked flight7 Aug 2026 · 1h 02m
- Tracked flight18 Jul 2026 · 4h 55m
- … → KEWR16 Jul 2026 · 9h 29m
- … → KEWR16 Jul 2026 · 4h 35m
- Tracked flight13 Jul 2026 · 12h 24m
Showing the 10 most recent distinct flights. The total counts every raw ADS-B tracking leg, including repeat observations and sub-5-minute artifacts.
From ADS-B observations collected since May 2026. Coverage depends on ground-receiver density; gaps do not mean the aircraft did not fly.
Common. More common than 96% of the aircraft models we track.
Other 777-300ER airframes by tail number — same model as N2251U.
- N2352U2020
- N2749U2019
- N2250U2019
- N2748U2018
- N2645U2018
- N2846U2018
- N2747U2018
- N2341U2017
- N2737U2017
- N2138U2017
- N2135U2017
- N2142U2017
- N2644U2017
- N2136U2017
- N2639U2017
- N2243U2017
Registration history
(1)- N2251UUSACTIVEUNITED AIRLINES INC2020 – present
Owner names are published by the issuing civil registry (FAA / CCARCS / CASA / ANAC / NZ CAA). Owner addresses present in the source are not republished here. Registered owner? Request removal
Operator history
(1)- United AirlinesOperator2026 – present
What type of aircraft is N2251U?
N2251U is a Boeing 777-300ER, built in 2020.
Where is N2251U registered?
N2251U is currently registered in United States (US).
What is the MSN of N2251U?
The manufacturer serial number (MSN) of N2251U is 66591.
What is the ICAO24 (Mode S) code for N2251U?
N2251U's ICAO24 hex code is A1F622.
Is N2251U still airworthy?
N2251U's current registry status is Active.