flight Aircraft

N37540

Operated by UNITED AIRLINES INC

Tail number
N37540
Type
B39M
Mode-S
A4495B
On the ground · transponder active
Flights observed
349 showing last 50
Avg flight time
2h 31m
Typical route
IAD → BOS
Last seen
19m ago

Last known area

Map centered near N37540's most recent activity.

Recent flights last 50

DateRouteTakeoffLandingDuration
2026-07-14 - Jul 14, 06:10 UTCJul 14, 10:45 UTC4h 35m
2026-07-13 EWR → SMF Jul 13, 22:45 UTCJul 14, 03:35 UTC4h 50m
2026-07-13 - Jul 13, 17:30 UTCJul 13, 19:50 UTC2h 20m
2026-07-13 - Jul 13, 13:25 UTCJul 13, 15:40 UTC2h 15m
2026-07-13 BOS → EWR Jul 13, 10:40 UTCJul 13, 11:30 UTC50m
2026-07-12 IAD → BOS Jul 12, 17:24 UTCJul 12, 18:22 UTC58m
2026-07-12 IAD → BOS Jul 12, 17:15 UTCJul 12, 18:20 UTC1h 5m
2026-07-12 - Jul 12, 13:40 UTCJul 12, 15:25 UTC1h 45m
2026-07-11 IAD → MCO Jul 11, 22:30 UTCJul 12, 00:25 UTC1h 55m
2026-07-11 - Jul 11, 19:05 UTCJul 11, 20:50 UTC1h 45m
2026-07-11 EWR → MCO Jul 11, 15:15 UTCJul 11, 17:30 UTC2h 15m
2026-07-11 CMH → ORD Jul 11, 11:35 UTCJul 11, 13:55 UTC2h 20m
2026-07-11 - Jul 11, 03:55 UTCJul 11, 04:40 UTC45m
2026-07-10 CUN → IAH Jul 10, 22:42 UTCJul 11, 00:27 UTC1h 45m
2026-07-10 - Jul 10, 22:35 UTCJul 11, 00:30 UTC1h 55m
2026-07-10 SFO → CUN Jul 10, 16:20 UTCJul 10, 21:20 UTC5h 0m
2026-07-10 KOA → SFO Jul 10, 12:55 UTCJul 10, 13:30 UTC35m
2026-07-10 KOA → SFO Jul 10, 08:55 UTCJul 10, 09:05 UTC10m
2026-07-10 - Jul 10, 00:45 UTCJul 10, 01:10 UTC25m
2026-07-09 - Jul 9, 19:20 UTCJul 9, 22:45 UTC3h 25m
2026-07-09 - Jul 9, 14:15 UTCJul 9, 16:15 UTC2h 0m
2026-07-09 IAD → SFO Jul 9, 10:05 UTCJul 9, 12:00 UTC1h 55m
2026-07-09 - Jul 9, 01:00 UTCJul 9, 02:35 UTC1h 35m
2026-07-08 BOS → ORD Jul 8, 19:25 UTCJul 8, 21:50 UTC2h 25m
2026-07-08 - Jul 8, 15:50 UTCJul 8, 17:50 UTC2h 0m
2026-07-08 SJC → DEN Jul 8, 11:10 UTCJul 8, 13:35 UTC2h 25m
2026-07-08 SJC → DEN Jul 8, 11:12 UTCJul 8, 13:28 UTC2h 16m
2026-07-07 ORD → RSW Jul 7, 22:00 UTCJul 8, 00:40 UTC2h 40m
2026-07-07 - Jul 7, 18:50 UTCJul 7, 19:00 UTC10m
2026-07-07 TPA → ORD Jul 7, 16:44 UTCJul 7, 18:34 UTC1h 50m
2026-07-07 TPA → ORD Jul 7, 16:35 UTCJul 7, 19:00 UTC2h 25m
2026-07-07 - Jul 7, 12:55 UTCJul 7, 15:15 UTC2h 20m
2026-07-07 LAS → ORD Jul 7, 06:45 UTCJul 7, 09:55 UTC3h 10m
2026-07-07 SFO → LAS Jul 7, 02:40 UTCJul 7, 03:55 UTC1h 15m
2026-07-06 CUN → SFO Jul 6, 18:10 UTCJul 6, 23:30 UTC5h 20m
2026-07-06 EWR → CUN Jul 6, 13:05 UTCJul 6, 16:38 UTC3h 33m
2026-07-06 EWR → CUN Jul 6, 13:15 UTCJul 6, 16:40 UTC3h 25m
2026-07-06 - Jul 6, 00:10 UTCJul 6, 02:10 UTC2h 0m
2026-07-05 - Jul 5, 20:55 UTCJul 5, 21:05 UTC10m
2026-07-05 RDU → EWR Jul 5, 15:00 UTCJul 5, 19:30 UTC4h 30m
2026-07-05 BOS → ORD Jul 5, 10:30 UTCJul 5, 12:45 UTC2h 15m
2026-07-04 IAD → BOS Jul 4, 12:55 UTCJul 4, 14:00 UTC1h 5m
2026-07-04 SEA → IAD Jul 4, 06:45 UTCJul 4, 11:10 UTC4h 25m
2026-07-04 SEA → IAD Jul 4, 06:35 UTCJul 4, 11:06 UTC4h 31m
2026-07-03 IAD → SEA Jul 3, 22:10 UTCJul 4, 03:25 UTC5h 15m
2026-07-03 - Jul 3, 17:10 UTCJul 3, 20:00 UTC2h 50m
2026-07-03 - Jul 3, 12:35 UTCJul 3, 15:25 UTC2h 50m
2026-07-02 SEA → IAD Jul 2, 20:30 UTCJul 3, 01:10 UTC4h 40m
2026-07-02 IAD → SEA Jul 2, 13:10 UTCJul 2, 18:25 UTC5h 15m
2026-07-02 PDX → IAD Jul 2, 07:15 UTCJul 2, 11:45 UTC4h 30m

Specifications

Registration N37540
Operator UNITED AIRLINES INC
Mode-S code A4495B · 51044533 (octal)

Looking for transponder-level data? View the Mode-S A4495B page for country allocation, callsign history, and ADS-B signal details.

N37540 frequently asked

Who operates N37540?
N37540 is operated by UNITED AIRLINES INC.
What is the Mode-S transponder code for N37540?
N37540 broadcasts on Mode-S (ICAO 24-bit) address A4495B (octal 51044533). View the transponder page.
What route does N37540 typically fly?
N37540 most frequently flies between IAD and BOS based on observed flights.
Where is N37540 right now?
N37540 is currently on the ground with its transponder active.