flight Aircraft

N37538

BOEING 737 MAX 9

Operated by UNITED AIRLINES INC

Tail number
N37538
Type
B39M
Mode-S
A44940
Photo of N37538
Not currently tracked · last seen 23h ago
Flights observed
13
Avg flight time
1h 17m
Typical route
SAN → SFO
Last seen
23h ago

Last known area

Map centered near N37538's most recent activity.

Recent flights last 13

DateRouteTakeoffLandingDuration
2026-04-13 - Apr 13, 21:55 UTCApr 13, 23:45 UTC1h 50m
2026-04-13 - Apr 13, 19:50 UTCApr 13, 20:15 UTC25m
2026-04-13 - Apr 13, 17:25 UTCApr 13, 20:10 UTC2h 45m
2026-04-13 MSY → DEN Apr 13, 12:35 UTCApr 13, 15:40 UTC3h 5m
2026-04-13 SAN → SFO Apr 13, 08:20 UTCApr 13, 09:00 UTC40m
2026-04-13 SAN → SFO Apr 13, 07:55 UTCApr 13, 09:00 UTC1h 5m
2026-04-13 SAN → SFO Apr 13, 06:12 UTCApr 13, 09:23 UTC3h 11m
2026-04-13 - Apr 13, 03:55 UTCApr 13, 04:00 UTC5m
2026-04-13 LAX → DEN Apr 13, 02:10 UTCApr 13, 04:00 UTC1h 50m
2026-04-13 DTW → ORD Apr 13, 00:20 UTCApr 13, 00:30 UTC10m
2026-04-12 DTW → ORD Apr 12, 23:55 UTCApr 13, 00:30 UTC35m
2026-04-12 LAX → SFO Apr 12, 19:35 UTCApr 12, 20:15 UTC40m
2026-04-12 - Apr 12, 17:15 UTCApr 12, 17:30 UTC15m

Specifications

Registration N37538
Aircraft type BOEING 737 MAX 9 (B39M)
Operator UNITED AIRLINES INC
Mode-S code A44940 · 51044500 (octal)

Looking for transponder-level data? View the Mode-S A44940 page for country allocation, callsign history, and ADS-B signal details.

N37538 frequently asked

What type of aircraft is N37538?
N37538 is a BOEING 737 MAX 9 (ICAO type code B39M).
Who operates N37538?
N37538 is operated by UNITED AIRLINES INC.
What is the Mode-S transponder code for N37538?
N37538 broadcasts on Mode-S (ICAO 24-bit) address A44940 (octal 51044500). View the transponder page.
What route does N37538 typically fly?
N37538 most frequently flies between SAN and SFO based on observed flights.
Where is N37538 right now?
N37538 is not currently being tracked; last seen 23h ago.