Apparatus

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flight Aircraft

N77571

BOEING 737 MAX 9

Operated by UNITED AIRLINES INC

Tail number
N77571
Type
B39M
Mode-S
AA7F01
On the ground · transponder active
Flights observed
397 showing last 50
Avg flight time
2h 13m
Typical route
DEN → SFO
Last seen
4h ago

Last known area

Map centered near N77571's most recent activity.

Recent flights last 50

DateRouteTakeoffLandingDuration
2026-07-14 - Jul 14, 07:40 UTCJul 14, 12:20 UTC4h 40m
2026-07-14 - Jul 14, 03:40 UTCJul 14, 04:20 UTC40m
2026-07-13 - Jul 13, 23:15 UTCJul 13, 23:25 UTC10m
2026-07-13 - Jul 13, 21:40 UTCJul 13, 21:50 UTC10m
2026-07-13 - Jul 13, 16:45 UTCJul 13, 17:40 UTC55m
2026-07-13 - Jul 13, 08:30 UTCJul 13, 13:00 UTC4h 30m
2026-07-13 SAL → LAX Jul 13, 08:20 UTCJul 13, 12:52 UTC4h 32m
2026-07-13 - Jul 13, 00:20 UTCJul 13, 02:10 UTC1h 50m
2026-07-13 IAH → SAL Jul 13, 00:26 UTCJul 13, 02:55 UTC2h 29m
2026-07-12 - Jul 12, 20:10 UTCJul 12, 22:25 UTC2h 15m
2026-07-12 EWR → CUN Jul 12, 14:55 UTCJul 12, 18:02 UTC3h 7m
2026-07-12 EWR → CUN Jul 12, 14:50 UTCJul 12, 18:05 UTC3h 15m
2026-07-12 BOS → EWR Jul 12, 12:10 UTCJul 12, 13:05 UTC55m
2026-07-11 - Jul 11, 23:25 UTCJul 12, 04:30 UTC5h 5m
2026-07-11 - Jul 11, 21:20 UTCJul 11, 21:55 UTC35m
2026-07-11 - Jul 11, 17:05 UTCJul 11, 17:15 UTC10m
2026-07-11 - Jul 11, 07:00 UTCJul 11, 07:10 UTC10m
2026-07-11 - Jul 11, 02:20 UTCJul 11, 02:50 UTC30m
2026-07-10 CUN → SFO Jul 10, 18:16 UTCJul 10, 23:22 UTC5h 6m
2026-07-10 - Jul 10, 18:25 UTCJul 10, 20:15 UTC1h 50m
2026-07-10 - Jul 10, 12:55 UTCJul 10, 16:20 UTC3h 25m
2026-07-10 - Jul 10, 03:10 UTCJul 10, 04:20 UTC1h 10m
2026-07-09 MCO → CLE Jul 9, 15:45 UTCJul 9, 17:45 UTC2h 0m
2026-07-09 - Jul 9, 12:15 UTCJul 9, 14:15 UTC2h 0m
2026-07-09 EWR → CLE Jul 9, 00:15 UTCJul 9, 01:15 UTC1h 0m
2026-07-08 - Jul 8, 17:35 UTCJul 8, 20:40 UTC3h 5m
2026-07-08 IAH → EWR Jul 8, 17:21 UTCJul 8, 20:37 UTC3h 16m
2026-07-08 - Jul 8, 13:10 UTCJul 8, 15:35 UTC2h 25m
2026-07-08 - Jul 8, 11:30 UTCJul 8, 11:40 UTC10m
2026-07-08 - Jul 8, 09:45 UTCJul 8, 09:55 UTC10m
2026-07-08 - Jul 8, 06:05 UTCJul 8, 08:10 UTC2h 5m
2026-07-08 - Jul 8, 00:05 UTCJul 8, 02:45 UTC2h 40m
2026-07-06 - Jul 6, 06:00 UTCJul 6, 10:30 UTC4h 30m
2026-07-06 - Jul 6, 03:30 UTCJul 6, 04:05 UTC35m
2026-07-05 - Jul 5, 23:25 UTCJul 5, 23:30 UTC5m
2026-07-05 - Jul 5, 16:35 UTCJul 5, 17:00 UTC25m
2026-07-05 - Jul 5, 09:10 UTCJul 5, 13:50 UTC4h 40m
2026-07-05 HNL → LAX Jul 5, 09:09 UTCJul 5, 13:44 UTC4h 35m
2026-07-05 DEN → SFO Jul 5, 07:15 UTCJul 5, 07:30 UTC15m
2026-07-05 DEN → SFO Jul 5, 01:55 UTCJul 5, 02:30 UTC35m
2026-07-05 DEN → SFO Jul 5, 02:03 UTCJul 5, 07:25 UTC5h 22m
2026-07-04 - Jul 4, 22:25 UTCJul 5, 00:20 UTC1h 55m
2026-07-04 - Jul 4, 18:10 UTCJul 4, 20:05 UTC1h 55m
2026-07-04 - Jul 4, 10:45 UTCJul 4, 15:50 UTC5h 5m
2026-07-04 CUN → EWR Jul 4, 00:00 UTCJul 4, 03:20 UTC3h 20m
2026-07-03 - Jul 3, 19:10 UTCJul 3, 22:30 UTC3h 20m
2026-07-03 - Jul 3, 10:10 UTCJul 3, 12:25 UTC2h 15m
2026-07-03 - Jul 3, 00:45 UTCJul 3, 03:00 UTC2h 15m
2026-07-02 - Jul 2, 21:00 UTCJul 2, 22:50 UTC1h 50m
2026-07-02 - Jul 2, 17:15 UTCJul 2, 19:10 UTC1h 55m

Specifications

Registration N77571
Aircraft type BOEING 737 MAX 9 (B39M)
Operator UNITED AIRLINES INC
Mode-S code AA7F01 · 52477401 (octal)

Looking for transponder-level data? View the Mode-S AA7F01 page for country allocation, callsign history, and ADS-B signal details.

N77571 frequently asked

What type of aircraft is N77571?
N77571 is a BOEING 737 MAX 9 (ICAO type code B39M).
Who operates N77571?
N77571 is operated by UNITED AIRLINES INC.
What is the Mode-S transponder code for N77571?
N77571 broadcasts on Mode-S (ICAO 24-bit) address AA7F01 (octal 52477401). View the transponder page.
What route does N77571 typically fly?
N77571 most frequently flies between DEN and SFO based on observed flights.
Where is N77571 right now?
N77571 is currently on the ground with its transponder active.