flight Aircraft

N2140U

BOEING 777-300ER

Operated by UNITED AIRLINES INC

Tail number
N2140U
Type
B77W
Mode-S
A1CAC9
Airborne now · flying as UAL878 at 31,000 ft
Flights observed
150 showing last 50
Avg flight time
8h 24m
Typical route
NRT → EWR
Last seen
1h ago

Live position

N2140U is currently airborne. Map zoomed to live position.

Recent flights last 50

DateRouteTakeoffLandingDuration
2026-07-14 - Jul 14, 14:55 UTCJul 14, 16:15 UTC1h 20m
2026-07-13 SFO → HKG Jul 13, 21:22 UTCJul 14, 10:24 UTC13h 2m
2026-07-13 - Jul 13, 21:25 UTCJul 13, 21:50 UTC25m
2026-07-13 - Jul 13, 08:35 UTCJul 13, 17:55 UTC9h 20m
2026-07-12 SFO → NRT Jul 12, 19:52 UTCJul 13, 05:59 UTC10h 7m
2026-07-12 - Jul 12, 19:55 UTCJul 13, 06:05 UTC10h 10m
2026-07-12 PVG → SFO Jul 12, 04:44 UTCJul 12, 15:24 UTC10h 40m
2026-07-12 PVG → SFO Jul 12, 04:44 UTCJul 12, 15:12 UTC10h 28m
2026-07-11 - Jul 11, 08:20 UTCJul 12, 07:01 UTC22h 40m
2026-07-11 - Jul 11, 06:55 UTCJul 12, 06:15 UTC23h 20m
2026-07-10 SFO → PVG Jul 10, 21:17 UTCJul 11, 09:33 UTC12h 16m
2026-07-10 - Jul 10, 21:10 UTCJul 11, 08:15 UTC11h 5m
2026-07-10 - Jul 10, 12:05 UTCJul 10, 17:10 UTC5h 5m
2026-07-10 - Jul 10, 11:40 UTCJul 10, 12:00 UTC20m
2026-07-09 - Jul 9, 08:55 UTCJul 9, 21:25 UTC12h 30m
2026-07-09 NRT → EWR Jul 9, 08:51 UTCJul 9, 21:18 UTC12h 27m
2026-07-08 SFO → NRT Jul 8, 20:00 UTCJul 9, 06:05 UTC10h 5m
2026-07-08 - Jul 8, 11:35 UTCJul 8, 16:50 UTC5h 15m
2026-07-07 NRT → EWR Jul 7, 08:40 UTCJul 7, 16:15 UTC7h 35m
2026-07-07 NRT → EWR Jul 7, 08:51 UTCJul 7, 20:30 UTC11h 39m
2026-07-06 EWR → NRT Jul 6, 16:02 UTCJul 7, 05:14 UTC13h 12m
2026-07-06 EWR → NRT Jul 6, 16:20 UTCJul 7, 05:05 UTC12h 45m
2026-07-06 - Jul 6, 07:45 UTCJul 6, 12:20 UTC4h 35m
2026-07-05 - Jul 5, 22:50 UTCJul 6, 04:20 UTC5h 30m
2026-07-05 FCO → EWR Jul 5, 09:55 UTCJul 5, 18:35 UTC8h 40m
2026-07-04 EWR → FCO Jul 4, 21:48 UTCJul 5, 05:00 UTC7h 12m
2026-07-04 EWR → FCO Jul 4, 21:45 UTCJul 5, 05:00 UTC7h 15m
2026-07-04 FCO → EWR Jul 4, 09:40 UTCJul 4, 18:25 UTC8h 45m
2026-07-04 FCO → EWR Jul 4, 09:27 UTCJul 4, 18:24 UTC8h 57m
2026-07-03 EWR → FCO Jul 3, 21:35 UTCJul 4, 05:05 UTC7h 30m
2026-07-03 - Jul 3, 09:35 UTCJul 3, 17:55 UTC8h 20m
2026-07-03 FRA → EWR Jul 3, 09:31 UTCJul 3, 17:50 UTC8h 19m
2026-07-02 - Jul 2, 21:50 UTCJul 3, 04:50 UTC7h 0m
2026-07-02 BRU → IAD Jul 2, 10:35 UTCJul 2, 18:45 UTC8h 10m
2026-07-01 IAD → BRU Jul 1, 22:40 UTCJul 2, 05:40 UTC7h 0m
2026-07-01 FRA → IAD Jul 1, 10:59 UTCJul 1, 19:21 UTC8h 22m
2026-07-01 EWR → FRA Jul 1, 00:30 UTCJul 1, 07:23 UTC6h 53m
2026-07-01 - Jul 1, 00:15 UTCJul 1, 01:10 UTC55m
2026-06-30 SFO → EWR Jun 30, 15:50 UTCJun 30, 20:40 UTC4h 50m
2026-06-30 - Jun 30, 08:30 UTCJun 30, 12:50 UTC4h 20m
2026-06-30 - Jun 30, 03:40 UTCJun 30, 04:00 UTC20m
2026-06-29 GUM → HNL Jun 29, 21:18 UTCJun 30, 04:00 UTC6h 42m
2026-06-29 - Jun 29, 00:39 UTCJun 29, 00:49 UTC10m
2026-06-28 - Jun 28, 21:04 UTCJun 28, 21:20 UTC15m
2026-06-28 - Jun 28, 16:39 UTCJun 28, 17:10 UTC30m
2026-06-28 - Jun 28, 01:04 UTCJun 28, 12:55 UTC11h 50m
2026-06-28 MNL → SFO Jun 28, 01:01 UTCJun 28, 12:54 UTC11h 53m
2026-06-27 SFO → MNL Jun 27, 08:14 UTCJun 27, 21:25 UTC13h 10m
2026-06-26 HKG → SFO Jun 26, 14:51 UTCJun 27, 04:23 UTC13h 32m
2026-06-26 - Jun 26, 15:25 UTCJun 27, 04:24 UTC13h 0m

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 NRT and EWR based on observed flights.
Where is N2140U right now?
N2140U is currently airborne flying as UAL878. Live position is shown on the map above.