Apparatus

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flight Aircraft

N440AS

BOEING 737-900

Operated by ALASKA AIRLINES INC

Tail number
N440AS
Type
B739
Mode-S
A54AAE
Airborne now · flying as ASA468 at 33,000 ft
Flights observed
370 showing last 50
Avg flight time
3h 18m
Typical route
SEA → SFO
Last seen
1h ago

Live position

N440AS is currently airborne. Map zoomed to live position.

Recent flights last 50

DateRouteTakeoffLandingDuration
2026-07-14 SEA → SFO Jul 14, 02:40 UTCJul 14, 04:55 UTC2h 15m
2026-07-13 OKC → SEA Jul 13, 20:30 UTCJul 13, 23:45 UTC3h 15m
2026-07-13 SEA → OKC Jul 13, 15:30 UTCJul 13, 18:40 UTC3h 10m
2026-07-12 - Jul 12, 22:50 UTCJul 13, 03:40 UTC4h 50m
2026-07-12 SEA → PIT Jul 12, 17:45 UTCJul 12, 21:35 UTC3h 50m
2026-07-12 - Jul 12, 11:15 UTCJul 12, 15:05 UTC3h 50m
2026-07-12 MKE → SEA Jul 12, 11:11 UTCJul 12, 14:55 UTC3h 44m
2026-07-12 - Jul 12, 01:35 UTCJul 12, 04:50 UTC3h 15m
2026-07-11 - Jul 11, 22:10 UTCJul 12, 00:10 UTC2h 0m
2026-07-11 - Jul 11, 18:55 UTCJul 11, 20:50 UTC1h 55m
2026-07-11 - Jul 11, 04:15 UTCJul 11, 05:50 UTC1h 35m
2026-07-11 - Jul 11, 01:20 UTCJul 11, 03:01 UTC1h 40m
2026-07-10 - Jul 10, 21:25 UTCJul 10, 23:40 UTC2h 15m
2026-07-10 - Jul 10, 17:45 UTCJul 10, 19:55 UTC2h 10m
2026-07-10 - Jul 10, 11:25 UTCJul 10, 15:25 UTC4h 0m
2026-07-10 SEA → IAH Jul 10, 00:40 UTCJul 10, 04:20 UTC3h 40m
2026-07-10 SEA → IAH Jul 10, 00:40 UTCJul 10, 04:09 UTC3h 29m
2026-07-09 - Jul 9, 19:30 UTCJul 9, 22:55 UTC3h 25m
2026-07-09 - Jul 9, 15:05 UTCJul 9, 18:00 UTC2h 55m
2026-07-09 ANC → SEA Jul 9, 09:30 UTCJul 9, 12:20 UTC2h 50m
2026-07-09 - Jul 9, 03:25 UTCJul 9, 07:40 UTC4h 15m
2026-07-09 SEA → SFO Jul 9, 00:25 UTCJul 9, 02:05 UTC1h 40m
2026-07-09 SEA → SFO Jul 9, 00:23 UTCJul 9, 01:57 UTC1h 34m
2026-07-08 LAS → SFO Jul 8, 20:35 UTCJul 8, 22:15 UTC1h 40m
2026-07-08 LAX → SFO Jul 8, 18:17 UTCJul 8, 19:08 UTC51m
2026-07-07 - Jul 7, 22:25 UTCJul 8, 03:50 UTC5h 25m
2026-07-07 LIR → LAX Jul 7, 15:22 UTCJul 7, 20:34 UTC5h 12m
2026-07-07 - Jul 7, 07:55 UTCJul 7, 12:20 UTC4h 25m
2026-07-07 LIR → LAX Jul 7, 00:35 UTCJul 7, 05:57 UTC5h 22m
2026-07-06 - Jul 6, 18:00 UTCJul 7, 06:05 UTC12h 5m
2026-07-06 LIR → LAX Jul 6, 00:50 UTCJul 6, 06:12 UTC5h 22m
2026-07-05 - Jul 5, 17:50 UTCJul 6, 06:30 UTC12h 40m
2026-07-05 - Jul 5, 13:20 UTCJul 5, 15:40 UTC2h 20m
2026-07-03 SEA → LAX Jul 3, 22:55 UTCJul 4, 04:45 UTC5h 50m
2026-07-03 - Jul 3, 15:40 UTCJul 3, 20:30 UTC4h 50m
2026-07-03 - Jul 3, 02:35 UTCJul 3, 04:50 UTC2h 15m
2026-07-02 - Jul 2, 21:35 UTCJul 2, 23:45 UTC2h 10m
2026-07-02 - Jul 2, 18:00 UTCJul 2, 19:45 UTC1h 45m
2026-07-02 LAS → PDX Jul 2, 14:55 UTCJul 2, 16:40 UTC1h 45m
2026-07-02 FAI → SEA Jul 2, 08:45 UTCJul 2, 11:45 UTC3h 0m
2026-07-02 SEA → FAI Jul 2, 03:50 UTCJul 2, 07:10 UTC3h 20m
2026-07-02 SEA → FAI Jul 2, 03:48 UTCJul 2, 07:08 UTC3h 20m
2026-07-01 - Jul 1, 21:25 UTCJul 2, 01:30 UTC4h 5m
2026-07-01 SEA → IND Jul 1, 16:30 UTCJul 1, 20:15 UTC3h 45m
2026-07-01 DEN → SEA Jul 1, 12:20 UTCJul 1, 14:40 UTC2h 20m
2026-07-01 SAN → DEN Jul 1, 03:15 UTCJul 1, 05:00 UTC1h 45m
2026-07-01 - Jul 1, 01:00 UTCJul 1, 01:40 UTC40m
2026-06-30 - Jun 30, 19:00 UTCJun 30, 19:15 UTC15m
2026-06-30 - Jun 30, 14:20 UTCJun 30, 14:45 UTC25m
2026-06-30 - Jun 30, 05:45 UTCJun 30, 06:25 UTC40m

Specifications

Registration N440AS
Aircraft type BOEING 737-900 (B739)
Operator ALASKA AIRLINES INC
Mode-S code A54AAE · 51245256 (octal)

Looking for transponder-level data? View the Mode-S A54AAE page for country allocation, callsign history, and ADS-B signal details.

N440AS frequently asked

What type of aircraft is N440AS?
N440AS is a BOEING 737-900 (ICAO type code B739).
Who operates N440AS?
N440AS is operated by ALASKA AIRLINES INC.
What is the Mode-S transponder code for N440AS?
N440AS broadcasts on Mode-S (ICAO 24-bit) address A54AAE (octal 51245256). View the transponder page.
What route does N440AS typically fly?
N440AS most frequently flies between SEA and SFO based on observed flights.
Where is N440AS right now?
N440AS is currently airborne flying as ASA468. Live position is shown on the map above.