flight Aircraft
N409AS
BOEING 737-900
Operated by ALASKA AIRLINES INC
- Tail number
- N409AS
- Type
- B739
- Mode-S
- A4CE21
On the ground · transponder active
- Flights observed
- 310 showing last 50
- Avg flight time
- 2h 50m
- Typical route
- SEA → SFO
- Last seen
- Jul 26, 22:15 UTC
Last known area
Recent flights last 50
| Date | Route | Takeoff | Landing | Duration |
|---|---|---|---|---|
| 2026-07-26 | PDX → SJC | Jul 26, 17:55 UTC | Jul 26, 22:15 UTC | 4h 20m |
| 2026-07-26 | SMF → SAN | Jul 26, 14:55 UTC | Jul 26, 16:10 UTC | 1h 15m |
| 2026-07-26 | CLE → SEA | Jul 26, 02:25 UTC | Jul 26, 06:30 UTC | 4h 5m |
| 2026-07-26 | CLE → SEA | Jul 26, 02:28 UTC | Jul 26, 06:29 UTC | 4h 1m |
| 2026-07-25 | SFO → TPA | Jul 25, 20:35 UTC | Jul 26, 00:35 UTC | 4h 0m |
| 2026-07-25 | PDX → CUN | Jul 25, 17:20 UTC | Jul 25, 18:50 UTC | 1h 30m |
| 2026-07-25 | STL → SEA | Jul 25, 11:20 UTC | Jul 25, 15:15 UTC | 3h 55m |
| 2026-07-25 | LAS → PDX | Jul 25, 01:35 UTC | Jul 25, 04:40 UTC | 3h 5m |
| 2026-07-24 | SEA → LAX | Jul 24, 22:30 UTC | Jul 25, 00:00 UTC | 1h 30m |
| 2026-07-24 | SEA → SFO | Jul 24, 19:30 UTC | Jul 24, 21:15 UTC | 1h 45m |
| 2026-07-24 | SEA → SFO | Jul 24, 19:26 UTC | Jul 24, 21:15 UTC | 1h 49m |
| 2026-07-24 | ANC → SEA | Jul 24, 14:15 UTC | Jul 24, 17:05 UTC | 2h 50m |
| 2026-07-24 | ORD → ANC | Jul 24, 06:10 UTC | Jul 24, 12:30 UTC | 6h 20m |
| 2026-07-24 | SAN → ORD | Jul 24, 00:45 UTC | Jul 24, 04:20 UTC | 3h 35m |
| 2026-07-23 | PHL → SEA | Jul 23, 20:45 UTC | Jul 23, 23:10 UTC | 2h 25m |
| 2026-07-23 | SFO → EWR | Jul 23, 15:20 UTC | Jul 23, 18:40 UTC | 3h 20m |
| 2026-07-23 | OGG → SEA | Jul 23, 06:00 UTC | Jul 23, 07:00 UTC | 1h 0m |
| 2026-07-23 | - | Jul 23, 00:30 UTC | Jul 23, 00:45 UTC | 15m |
| 2026-07-22 | - | Jul 22, 19:15 UTC | Jul 22, 19:50 UTC | 35m |
| 2026-07-22 | HNL → SFO | Jul 22, 12:10 UTC | Jul 22, 16:25 UTC | 4h 15m |
| 2026-07-22 | SJC → PDX | Jul 22, 04:55 UTC | Jul 22, 10:25 UTC | 5h 30m |
| 2026-07-21 | SEA → PIT | Jul 21, 22:20 UTC | Jul 22, 03:15 UTC | 4h 55m |
| 2026-07-21 | SEA → PIT | Jul 21, 17:15 UTC | Jul 21, 21:05 UTC | 3h 50m |
| 2026-07-21 | RDU → SEA | Jul 21, 13:35 UTC | Jul 21, 15:05 UTC | 1h 30m |
| 2026-07-21 | SFO → LAS | Jul 21, 00:40 UTC | Jul 21, 02:25 UTC | 1h 45m |
| 2026-07-20 | - | Jul 20, 21:25 UTC | Jul 20, 22:55 UTC | 1h 30m |
| 2026-07-20 | - | Jul 20, 19:40 UTC | Jul 20, 20:05 UTC | 25m |
| 2026-07-20 | - | Jul 20, 17:55 UTC | Jul 20, 18:10 UTC | 15m |
| 2026-07-20 | - | Jul 20, 15:20 UTC | Jul 20, 16:35 UTC | 1h 15m |
| 2026-07-20 | LAX → PVR | Jul 20, 07:50 UTC | Jul 20, 11:00 UTC | 3h 10m |
| 2026-07-20 | - | Jul 20, 03:25 UTC | Jul 20, 04:10 UTC | 45m |
| 2026-07-20 | PHX → SEA | Jul 20, 03:24 UTC | Jul 20, 05:41 UTC | 2h 17m |
| 2026-07-19 | BOS → PDX | Jul 19, 23:40 UTC | Jul 20, 02:00 UTC | 2h 20m |
| 2026-07-19 | BOS → PDX | Jul 19, 22:15 UTC | Jul 19, 22:50 UTC | 35m |
| 2026-07-19 | PHX → PAE | Jul 19, 18:00 UTC | Jul 19, 20:25 UTC | 2h 25m |
| 2026-07-19 | PDX → PHX | Jul 19, 14:10 UTC | Jul 19, 16:25 UTC | 2h 15m |
| 2026-07-18 | SAN → CUN | Jul 18, 23:00 UTC | Jul 19, 02:45 UTC | 3h 45m |
| 2026-07-18 | SFO → AUS | Jul 18, 17:45 UTC | Jul 18, 21:20 UTC | 3h 35m |
| 2026-07-18 | AUS → PDX | Jul 18, 12:40 UTC | Jul 18, 16:10 UTC | 3h 30m |
| 2026-07-18 | SEA → AUS | Jul 18, 01:34 UTC | Jul 18, 05:15 UTC | 3h 41m |
| 2026-07-17 | OKC → SEA | Jul 17, 20:00 UTC | Jul 17, 23:14 UTC | 3h 15m |
| 2026-07-17 | SEA → OKC | Jul 17, 15:40 UTC | Jul 17, 18:55 UTC | 3h 15m |
| 2026-07-16 | - | Jul 16, 23:40 UTC | Jul 17, 04:49 UTC | 5h 10m |
| 2026-07-16 | SEA → BWI | Jul 16, 17:45 UTC | Jul 16, 22:10 UTC | 4h 25m |
| 2026-07-16 | OAK → SEA | Jul 16, 13:34 UTC | Jul 16, 15:10 UTC | 1h 35m |
| 2026-07-16 | BFI → OAK | Jul 16, 01:25 UTC | Jul 16, 03:15 UTC | 1h 50m |
| 2026-07-15 | SJD → SEA | Jul 15, 19:48 UTC | Jul 15, 23:23 UTC | 3h 35m |
| 2026-07-15 | - | Jul 15, 15:50 UTC | Jul 15, 23:30 UTC | 7h 40m |
| 2026-07-15 | SEA → SFO | Jul 15, 04:25 UTC | Jul 15, 06:20 UTC | 1h 55m |
| 2026-07-14 | - | Jul 14, 21:45 UTC | Jul 15, 01:50 UTC | 4h 4m |
Specifications
| Registration | N409AS |
| Aircraft type | BOEING 737-900 (B739) |
| Operator | ALASKA AIRLINES INC |
| Mode-S code | A4CE21 · 51147041 (octal) |
Looking for transponder-level data? View the Mode-S A4CE21 page for country allocation, callsign history, and ADS-B signal details.
N409AS frequently asked
What type of aircraft is N409AS?
N409AS is a BOEING 737-900 (ICAO type code B739).
Who operates N409AS?
N409AS is operated by ALASKA AIRLINES INC.
What is the Mode-S transponder code for N409AS?
N409AS broadcasts on Mode-S (ICAO 24-bit) address A4CE21 (octal 51147041). View the transponder page.
What route does N409AS typically fly?
N409AS most frequently flies between SEA and SFO based on observed flights.
Where is N409AS right now?
N409AS is currently on the ground with its transponder active.