flight Aircraft

N37440

BOEING 737 MAX 9

Operated by UNITED AIRLINES INC

Tail number
N37440
Type
B39M
Mode-S
A445A4
Airborne now · flying as UAL1986 at 38,000 ft
Flights observed
231 showing last 50
Avg flight time
3h 12m
Typical route
EWR → SFO
Last seen
11m ago

Live position

N37440 is currently airborne. Map zoomed to live position.

Recent flights last 50

DateRouteTakeoffLandingDuration
2026-05-29 RDM → SFO May 29, 23:40 UTCMay 30, 03:00 UTC3h 20m
2026-05-29 STT → EWR May 29, 17:15 UTCMay 29, 21:35 UTC4h 20m
2026-05-29 EWR → PBI May 29, 10:40 UTCMay 29, 15:20 UTC4h 40m
2026-05-29 BQN → EWR May 29, 05:00 UTCMay 29, 08:25 UTC3h 25m
2026-05-28 EWR → BQN May 28, 23:46 UTCMay 29, 03:02 UTC3h 16m
2026-05-28 EWR → BQN May 28, 23:50 UTCMay 29, 02:55 UTC3h 5m
2026-05-28 FLL → EWR May 28, 16:20 UTCMay 28, 19:15 UTC2h 55m
2026-05-28 FLL → EWR May 28, 16:21 UTCMay 28, 19:09 UTC2h 48m
2026-05-28 SYR → IAD May 28, 11:20 UTCMay 28, 14:30 UTC3h 10m
2026-05-27 NAS → EWR May 27, 19:30 UTCMay 27, 21:35 UTC2h 5m
2026-05-27 EWR → NAS May 27, 14:57 UTCMay 27, 17:32 UTC2h 35m
2026-05-26 SFO → BNA May 26, 13:32 UTCMay 26, 16:28 UTC2h 56m
2026-05-26 STI → EWR May 26, 13:24 UTCMay 26, 21:49 UTC8h 25m
2026-05-26 EWR → MBJ May 26, 06:34 UTCMay 26, 10:20 UTC3h 45m
2026-05-25 RDM → SFO May 25, 23:54 UTCMay 26, 04:20 UTC4h 25m
2026-05-25 RDM → SFO May 25, 23:58 UTCMay 26, 04:18 UTC4h 20m
2026-05-25 STI → EWR May 25, 13:30 UTCMay 25, 21:35 UTC8h 5m
2026-05-24 PUJ → EWR May 24, 23:35 UTCMay 24, 23:46 UTC11m
2026-05-24 PUJ → EWR May 24, 20:59 UTCMay 25, 00:19 UTC3h 20m
2026-05-24 IAH → PUJ May 24, 15:30 UTCMay 24, 18:45 UTC3h 15m
2026-05-24 IAH → PUJ May 24, 15:29 UTCMay 24, 19:18 UTC3h 49m
2026-05-24 EWR → IAH May 24, 10:10 UTCMay 24, 13:20 UTC3h 10m
2026-05-24 SAN → SFO May 24, 01:25 UTCMay 24, 03:45 UTC2h 20m
2026-05-23 ORD → LGA May 23, 20:20 UTCMay 24, 00:15 UTC3h 55m
2026-05-23 EWR → SFO May 23, 12:50 UTCMay 23, 18:10 UTC5h 20m
2026-05-23 EWR → SFO May 23, 12:45 UTCMay 23, 18:02 UTC5h 17m
2026-05-23 IAD → SEA May 23, 06:40 UTCMay 23, 11:20 UTC4h 40m
2026-05-23 LGA → IAH May 23, 03:25 UTCMay 23, 04:10 UTC45m
2026-05-22 LGA → IAH May 22, 23:10 UTCMay 22, 23:20 UTC10m
2026-05-22 LAX → KOA May 22, 21:50 UTCMay 22, 21:55 UTC5m
2026-05-22 LAX → KOA May 22, 16:55 UTCMay 22, 17:25 UTC30m
2026-05-22 EWR → SFO May 22, 14:30 UTCMay 22, 15:30 UTC1h 0m
2026-05-22 EWR → SFO May 22, 14:17 UTCMay 22, 15:26 UTC1h 9m
2026-05-21 AUS → EWR May 21, 21:50 UTCMay 22, 02:05 UTC4h 15m
2026-05-21 SFO → EWR May 21, 17:10 UTCMay 21, 18:35 UTC1h 25m
2026-05-21 IAD → SFO May 21, 14:10 UTCMay 21, 15:50 UTC1h 40m
2026-05-21 BOS → DEN May 21, 08:40 UTCMay 21, 12:15 UTC3h 35m
2026-05-21 BOS → DEN May 21, 07:30 UTCMay 21, 08:30 UTC1h 0m
2026-05-21 SFO → BOS May 21, 00:15 UTCMay 21, 05:30 UTC5h 15m
2026-05-21 SFO → BOS May 21, 00:02 UTCMay 21, 05:25 UTC5h 23m
2026-05-20 CUN → LAX May 20, 21:15 UTCMay 20, 22:50 UTC1h 35m
2026-05-20 ORD → MSN May 20, 14:50 UTCMay 20, 18:45 UTC3h 55m
2026-05-20 EUG → SFO May 20, 01:40 UTCMay 20, 06:15 UTC4h 36m
2026-05-19 SFO → BNA May 19, 13:30 UTCMay 19, 21:25 UTC7h 55m
2026-05-19 SJU → EWR May 19, 08:05 UTCMay 19, 08:55 UTC50m
2026-05-19 SJU → EWR May 19, 05:30 UTCMay 19, 05:40 UTC10m
2026-05-19 SJU → EWR May 19, 05:24 UTCMay 19, 08:52 UTC3h 28m
2026-05-19 EWR → SJU May 19, 00:40 UTCMay 19, 04:10 UTC3h 30m
2026-05-18 EWR → SMF May 18, 20:10 UTCMay 18, 22:40 UTC2h 30m
2026-05-18 CMH → DEN May 18, 16:32 UTCMay 18, 18:50 UTC2h 18m

Specifications

Registration N37440
Aircraft type BOEING 737 MAX 9 (B39M)
Operator UNITED AIRLINES INC
Mode-S code A445A4 · 51042644 (octal)

Looking for transponder-level data? View the Mode-S A445A4 page for country allocation, callsign history, and ADS-B signal details.

N37440 frequently asked

What type of aircraft is N37440?
N37440 is a BOEING 737 MAX 9 (ICAO type code B39M).
Who operates N37440?
N37440 is operated by UNITED AIRLINES INC.
What is the Mode-S transponder code for N37440?
N37440 broadcasts on Mode-S (ICAO 24-bit) address A445A4 (octal 51042644). View the transponder page.
What route does N37440 typically fly?
N37440 most frequently flies between EWR and SFO based on observed flights.
Where is N37440 right now?
N37440 is currently airborne flying as UAL1986. Live position is shown on the map above.