flight Aircraft
N403AS
BOEING 737-900
Operated by ALASKA AIRLINES INC
- Tail number
- N403AS
- Type
- B739
- Mode-S
- A4B7D7
Not currently tracked · last seen 6h ago
- Flights observed
- 354 showing last 50
- Avg flight time
- 3h 36m
- Typical route
- SEA → SFO
- Last seen
- 6h ago
Last known area
Recent flights last 50
| Date | Route | Takeoff | Landing | Duration |
|---|---|---|---|---|
| 2026-07-14 | PDX → BUR | Jul 14, 01:15 UTC | Jul 14, 03:20 UTC | 2h 5m |
| 2026-07-13 | SFO → PDX | Jul 13, 22:50 UTC | Jul 14, 00:00 UTC | 1h 10m |
| 2026-07-13 | SEA → SFO | Jul 13, 19:20 UTC | Jul 13, 21:30 UTC | 2h 10m |
| 2026-07-13 | DEN → SEA | Jul 13, 15:06 UTC | Jul 13, 16:52 UTC | 1h 46m |
| 2026-07-13 | DEN → SEA | Jul 13, 14:50 UTC | Jul 13, 17:05 UTC | 2h 15m |
| 2026-07-13 | - | Jul 13, 07:30 UTC | Jul 13, 12:25 UTC | 4h 55m |
| 2026-07-13 | SEA → ANC | Jul 13, 02:15 UTC | Jul 13, 05:20 UTC | 3h 5m |
| 2026-07-12 | - | Jul 12, 23:25 UTC | Jul 13, 00:01 UTC | 35m |
| 2026-07-12 | BUR → SEA | Jul 12, 22:05 UTC | Jul 13, 00:01 UTC | 1h 55m |
| 2026-07-12 | SEA → BUR | Jul 12, 18:30 UTC | Jul 12, 20:40 UTC | 2h 10m |
| 2026-07-12 | JFK → SEA | Jul 12, 11:20 UTC | Jul 12, 16:40 UTC | 5h 20m |
| 2026-07-12 | JFK → SEA | Jul 12, 11:18 UTC | Jul 12, 16:28 UTC | 5h 10m |
| 2026-07-11 | - | Jul 11, 21:30 UTC | Jul 12, 02:40 UTC | 5h 10m |
| 2026-07-11 | - | Jul 11, 14:30 UTC | Jul 11, 19:35 UTC | 5h 5m |
| 2026-07-10 | - | Jul 10, 22:25 UTC | Jul 11, 04:01 UTC | 5h 35m |
| 2026-07-10 | - | Jul 10, 07:00 UTC | Jul 10, 20:20 UTC | 13h 20m |
| 2026-07-09 | - | Jul 9, 22:20 UTC | Jul 10, 03:55 UTC | 5h 35m |
| 2026-07-09 | - | Jul 9, 15:40 UTC | Jul 9, 20:20 UTC | 4h 40m |
| 2026-07-09 | - | Jul 9, 07:00 UTC | Jul 9, 08:15 UTC | 1h 15m |
| 2026-07-09 | LAX → LIR | Jul 9, 06:58 UTC | Jul 9, 12:09 UTC | 5h 11m |
| 2026-07-09 | SEA → LAX | Jul 9, 02:00 UTC | Jul 9, 04:10 UTC | 2h 10m |
| 2026-07-08 | OAK → SEA | Jul 8, 22:20 UTC | Jul 9, 00:05 UTC | 1h 45m |
| 2026-07-08 | SEA → SFO | Jul 8, 19:00 UTC | Jul 8, 20:40 UTC | 1h 40m |
| 2026-07-08 | - | Jul 8, 11:20 UTC | Jul 8, 16:50 UTC | 5h 30m |
| 2026-07-08 | SAN → BOS | Jul 8, 04:10 UTC | Jul 8, 09:30 UTC | 5h 20m |
| 2026-07-08 | SAN → BOS | Jul 8, 04:13 UTC | Jul 8, 09:18 UTC | 5h 5m |
| 2026-07-07 | - | Jul 7, 21:30 UTC | Jul 8, 02:50 UTC | 5h 20m |
| 2026-07-07 | PDX → BOS | Jul 7, 14:30 UTC | Jul 7, 19:45 UTC | 5h 15m |
| 2026-07-07 | SEA → PDX | Jul 7, 05:55 UTC | Jul 7, 06:25 UTC | 30m |
| 2026-07-07 | ANC → SEA | Jul 7, 00:45 UTC | Jul 7, 04:20 UTC | 3h 35m |
| 2026-07-06 | GEG → ANC | Jul 6, 16:30 UTC | Jul 6, 19:50 UTC | 3h 20m |
| 2026-07-06 | - | Jul 6, 13:40 UTC | Jul 6, 15:35 UTC | 1h 55m |
| 2026-07-06 | PDX → DEN | Jul 6, 01:20 UTC | Jul 6, 03:25 UTC | 2h 5m |
| 2026-07-05 | PHX → PDX | Jul 5, 21:48 UTC | Jul 6, 00:03 UTC | 2h 15m |
| 2026-07-05 | PHX → PDX | Jul 5, 21:45 UTC | Jul 6, 00:00 UTC | 2h 15m |
| 2026-07-05 | SEA → PHX | Jul 5, 17:55 UTC | Jul 5, 20:20 UTC | 2h 25m |
| 2026-07-05 | - | Jul 5, 13:10 UTC | Jul 5, 15:15 UTC | 2h 5m |
| 2026-07-05 | EWR → LAX | Jul 5, 00:10 UTC | Jul 5, 05:40 UTC | 5h 30m |
| 2026-07-04 | - | Jul 4, 16:15 UTC | Jul 4, 21:00 UTC | 4h 45m |
| 2026-07-04 | - | Jul 4, 13:45 UTC | Jul 4, 14:35 UTC | 50m |
| 2026-07-04 | - | Jul 4, 09:40 UTC | Jul 4, 10:00 UTC | 20m |
| 2026-07-03 | ANC → SEA | Jul 3, 23:30 UTC | Jul 4, 05:00 UTC | 5h 30m |
| 2026-07-03 | JFK → SAN | Jul 3, 16:10 UTC | Jul 3, 21:20 UTC | 5h 10m |
| 2026-07-03 | OAK → JFK | Jul 3, 04:50 UTC | Jul 3, 09:50 UTC | 5h 0m |
| 2026-07-03 | - | Jul 3, 00:40 UTC | Jul 3, 02:30 UTC | 1h 50m |
| 2026-07-02 | - | Jul 2, 18:40 UTC | Jul 2, 21:35 UTC | 2h 55m |
| 2026-07-02 | SEA → SJD | Jul 2, 18:36 UTC | Jul 2, 22:20 UTC | 3h 44m |
| 2026-07-02 | ATL → SEA | Jul 2, 11:15 UTC | Jul 2, 15:55 UTC | 4h 40m |
| 2026-07-01 | SEA → ATL | Jul 1, 23:20 UTC | Jul 2, 03:40 UTC | 4h 20m |
| 2026-07-01 | SEA → ATL | Jul 1, 23:18 UTC | Jul 2, 03:33 UTC | 4h 15m |
Specifications
| Registration | N403AS |
| Aircraft type | BOEING 737-900 (B739) |
| Operator | ALASKA AIRLINES INC |
| Mode-S code | A4B7D7 · 51133727 (octal) |
Looking for transponder-level data? View the Mode-S A4B7D7 page for country allocation, callsign history, and ADS-B signal details.
N403AS frequently asked
What type of aircraft is N403AS?
N403AS is a BOEING 737-900 (ICAO type code B739).
Who operates N403AS?
N403AS is operated by ALASKA AIRLINES INC.
What is the Mode-S transponder code for N403AS?
N403AS broadcasts on Mode-S (ICAO 24-bit) address A4B7D7 (octal 51133727). View the transponder page.
What route does N403AS typically fly?
N403AS most frequently flies between SEA and SFO based on observed flights.
Where is N403AS right now?
N403AS is not currently being tracked; last seen 6h ago.