Apparatus

Try JFK, AAL1290, BAW, or N225AN.

flight Aircraft

N2140U

BOEING 777-300ER

Operated by UNITED AIRLINES INC

Tail number
N2140U
Type
B77W
Mode-S
A1CAC9
Photo of N2140U
Not currently tracked · last seen 1d ago
Flights observed
4
Avg flight time
3h 10m
Typical route
SFO → HKG
Last seen
1d ago

Last known area

Map centered near N2140U's most recent activity.

Recent flights last 4

DateRouteTakeoffLandingDuration
2026-04-14 SFO → HKG Apr 14, 09:15 UTCApr 14, 10:35 UTC1h 20m
2026-04-13 SFO → HKG Apr 13, 20:20 UTCApr 13, 20:40 UTC20m
2026-04-13 ICN → SFO Apr 13, 14:30 UTCApr 13, 15:05 UTC35m
2026-04-13 ICN → SFO Apr 13, 04:44 UTCApr 13, 15:07 UTC10h 23m

Specifications

Registration N2140U
Aircraft type BOEING 777-300ER (B77W)
Operator UNITED AIRLINES INC
Mode-S code A1CAC9 · 50345311 (octal)

Looking for transponder-level data? View the Mode-S A1CAC9 page for country allocation, callsign history, and ADS-B signal details.

N2140U frequently asked

What type of aircraft is N2140U?
N2140U is a BOEING 777-300ER (ICAO type code B77W).
Who operates N2140U?
N2140U is operated by UNITED AIRLINES INC.
What is the Mode-S transponder code for N2140U?
N2140U broadcasts on Mode-S (ICAO 24-bit) address A1CAC9 (octal 50345311). View the transponder page.
What route does N2140U typically fly?
N2140U most frequently flies between SFO and HKG based on observed flights.
Where is N2140U right now?
N2140U is not currently being tracked; last seen 1d ago.