flight Aircraft

N37577

BOEING 737 MAX 9

Operated by UNITED AIRLINES INC

Tail number
N37577
Type
B39M
Mode-S
A449CB
Not currently tracked · last seen 4h ago
Flights observed
189 showing last 50
Avg flight time
3h 8m
Typical route
LAX → SFO
Last seen
4h ago

Last known area

Map centered near N37577's most recent activity.

Recent flights last 50

DateRouteTakeoffLandingDuration
2026-05-30 LAX → SFO May 30, 00:00 UTCMay 30, 02:40 UTC2h 40m
2026-05-29 EWR → ATL May 29, 19:05 UTCMay 29, 21:50 UTC2h 45m
2026-05-29 EWR → ATL May 29, 19:14 UTCMay 29, 21:47 UTC2h 33m
2026-05-29 SAN → SFO May 29, 12:40 UTCMay 29, 17:25 UTC4h 45m
2026-05-29 SJD → IAH May 29, 00:30 UTCMay 29, 05:20 UTC4h 50m
2026-05-28 SFO → LAX May 28, 17:15 UTCMay 28, 22:30 UTC5h 15m
2026-05-28 IAD → AUS May 28, 14:10 UTCMay 28, 15:15 UTC1h 5m
2026-05-28 PHX → IAH May 28, 10:55 UTCMay 28, 12:30 UTC1h 35m
2026-05-28 PUJ → EWR May 28, 00:50 UTCMay 28, 02:05 UTC1h 15m
2026-05-27 IAH → PUJ May 27, 16:30 UTCMay 27, 20:05 UTC3h 35m
2026-05-27 IAH → PUJ May 27, 15:29 UTCMay 27, 20:37 UTC5h 8m
2026-05-27 LGA → ORD May 27, 00:00 UTCMay 27, 03:20 UTC3h 20m
2026-05-26 DEN → ORD May 26, 18:55 UTCMay 26, 21:49 UTC2h 55m
2026-05-26 EWR → PHX May 26, 13:50 UTCMay 26, 16:59 UTC3h 10m
2026-05-25 EWR → PHX May 25, 21:09 UTCMay 26, 16:59 UTC19h 50m
2026-05-25 IAH → PTY May 25, 19:54 UTCMay 25, 20:09 UTC15m
2026-05-25 MIA → EWR May 25, 15:40 UTCMay 25, 18:20 UTC2h 40m
2026-05-25 LAX → SFO May 25, 01:55 UTCMay 25, 04:30 UTC2h 35m
2026-05-25 LAX → SFO May 25, 01:50 UTCMay 25, 04:32 UTC2h 42m
2026-05-24 SEA → IAD May 24, 23:00 UTCMay 24, 23:46 UTC46m
2026-05-24 SEA → YVR May 24, 16:55 UTCMay 24, 20:15 UTC3h 20m
2026-05-24 LGA → ORD May 24, 12:00 UTCMay 24, 14:25 UTC2h 25m
2026-05-24 DSM → ORD May 24, 01:15 UTCMay 24, 03:40 UTC2h 25m
2026-05-23 ATL → EWR May 23, 21:25 UTCMay 23, 23:15 UTC1h 50m
2026-05-23 PDX → SFO May 23, 17:35 UTCMay 23, 19:10 UTC1h 36m
2026-05-23 PDX → SFO May 23, 13:15 UTCMay 23, 15:15 UTC2h 0m
2026-05-22 SJU → IAH May 22, 20:50 UTCMay 22, 23:15 UTC2h 25m
2026-05-22 SJU → IAH May 22, 19:00 UTCMay 22, 19:10 UTC10m
2026-05-22 PHX → SFO May 22, 17:00 UTCMay 22, 17:25 UTC25m
2026-05-22 PHX → SFO May 22, 14:00 UTCMay 22, 14:35 UTC35m
2026-05-22 BDL → IAD May 22, 06:25 UTCMay 22, 11:05 UTC4h 40m
2026-05-21 MSY → EWR May 21, 20:40 UTCMay 22, 02:10 UTC5h 30m
2026-05-21 EWR → SJO May 21, 14:15 UTCMay 21, 18:50 UTC4h 35m
2026-05-21 PUJ → ORD May 21, 04:15 UTCMay 21, 05:25 UTC1h 10m
2026-05-20 EWR → ATL May 20, 20:55 UTCMay 21, 02:25 UTC5h 30m
2026-05-20 IAD → SMF May 20, 14:15 UTCMay 20, 18:50 UTC4h 35m
2026-05-19 SFO → PDX May 19, 23:10 UTCMay 20, 01:25 UTC2h 15m
2026-05-19 ORD → BWI May 19, 19:35 UTCMay 19, 21:35 UTC2h 0m
2026-05-19 DEN → LGA May 19, 11:35 UTCMay 19, 17:15 UTC5h 40m
2026-05-18 EWR → PHX May 18, 23:20 UTCMay 19, 01:45 UTC2h 25m
2026-05-18 PLS → EWR May 18, 17:10 UTCMay 18, 20:17 UTC3h 7m
2026-05-18 EWR → PLS May 18, 12:10 UTCMay 18, 20:00 UTC7h 49m
2026-05-18 EWR → SRQ May 18, 00:20 UTCMay 18, 02:45 UTC2h 25m
2026-05-17 IAD → BDL May 17, 17:35 UTCMay 17, 22:15 UTC4h 40m
2026-05-17 EWR → RSW May 17, 14:55 UTCMay 17, 16:10 UTC1h 15m
2026-05-17 EWR → RSW May 17, 14:32 UTCMay 17, 16:10 UTC1h 38m
2026-05-17 PUJ → ORD May 17, 04:00 UTCMay 17, 05:10 UTC1h 10m
2026-05-17 DEN → SFO May 17, 00:45 UTCMay 17, 01:50 UTC1h 5m
2026-05-17 DEN → SFO May 17, 00:43 UTCMay 17, 01:46 UTC1h 3m
2026-05-16 SEA → SFO May 16, 19:45 UTCMay 16, 22:55 UTC3h 10m

Specifications

Registration N37577
Aircraft type BOEING 737 MAX 9 (B39M)
Operator UNITED AIRLINES INC
Mode-S code A449CB · 51044713 (octal)

Looking for transponder-level data? View the Mode-S A449CB page for country allocation, callsign history, and ADS-B signal details.

N37577 frequently asked

What type of aircraft is N37577?
N37577 is a BOEING 737 MAX 9 (ICAO type code B39M).
Who operates N37577?
N37577 is operated by UNITED AIRLINES INC.
What is the Mode-S transponder code for N37577?
N37577 broadcasts on Mode-S (ICAO 24-bit) address A449CB (octal 51044713). View the transponder page.
What route does N37577 typically fly?
N37577 most frequently flies between LAX and SFO based on observed flights.
Where is N37577 right now?
N37577 is not currently being tracked; last seen 4h ago.