flight Aircraft
N403AS
BOEING 737-900
Operated by ALASKA AIRLINES INC
- Tail number
- N403AS
- Type
- B739
- Mode-S
- A4B7D7
Airborne now · flying as ASA208 at 35,000 ft
- Flights observed
- 414 showing last 50
- Avg flight time
- 2h 19m
- Typical route
- SEA → ORD
- Last seen
- Jul 26, 20:50 UTC
Live position
Recent flights last 50
| Date | Route | Takeoff | Landing | Duration |
|---|---|---|---|---|
| 2026-07-26 | SAN → EWR | Jul 26, 15:50 UTC | Jul 26, 20:45 UTC | 4h 55m |
| 2026-07-26 | SEA → LAX | Jul 26, 13:30 UTC | Jul 26, 14:25 UTC | 55m |
| 2026-07-26 | LAX → SFO | Jul 26, 04:25 UTC | Jul 26, 05:25 UTC | 1h 0m |
| 2026-07-26 | LAX → ZLO | Jul 26, 00:10 UTC | Jul 26, 01:30 UTC | 1h 20m |
| 2026-07-25 | LAX → EWR | Jul 25, 20:15 UTC | Jul 25, 21:30 UTC | 1h 15m |
| 2026-07-25 | LAX → EWR | Jul 25, 20:14 UTC | Jul 25, 22:02 UTC | 1h 48m |
| 2026-07-25 | LAS → SFO | Jul 25, 16:15 UTC | Jul 25, 18:45 UTC | 2h 30m |
| 2026-07-25 | PVR → SFO | Jul 25, 03:55 UTC | Jul 25, 04:30 UTC | 35m |
| 2026-07-25 | LAX → SEA | Jul 25, 01:00 UTC | Jul 25, 02:10 UTC | 1h 10m |
| 2026-07-25 | LAX → SEA | Jul 25, 00:58 UTC | Jul 25, 01:53 UTC | 55m |
| 2026-07-24 | SEA → ORD | Jul 24, 22:35 UTC | Jul 24, 23:35 UTC | 1h 0m |
| 2026-07-24 | SEA → ORD | Jul 24, 22:41 UTC | Jul 24, 23:23 UTC | 42m |
| 2026-07-24 | GDL → SJC | Jul 24, 20:10 UTC | Jul 24, 21:15 UTC | 1h 5m |
| 2026-07-24 | GDL → SJC | Jul 24, 20:06 UTC | Jul 24, 21:18 UTC | 1h 12m |
| 2026-07-24 | SFO → LAS | Jul 24, 16:45 UTC | Jul 24, 18:45 UTC | 2h 0m |
| 2026-07-24 | - | Jul 24, 13:15 UTC | Jul 24, 14:35 UTC | 1h 20m |
| 2026-07-24 | SEA → BOS | Jul 24, 04:25 UTC | Jul 24, 05:40 UTC | 1h 15m |
| 2026-07-24 | SFO → SEA | Jul 24, 01:25 UTC | Jul 24, 02:55 UTC | 1h 30m |
| 2026-07-24 | SFO → SEA | Jul 24, 01:40 UTC | Jul 24, 02:46 UTC | 1h 6m |
| 2026-07-23 | SFO → LAS | Jul 23, 22:40 UTC | Jul 24, 00:10 UTC | 1h 30m |
| 2026-07-23 | DEN → PDX | Jul 23, 18:00 UTC | Jul 23, 20:15 UTC | 2h 15m |
| 2026-07-23 | SEA → PSP | Jul 23, 07:35 UTC | Jul 23, 12:10 UTC | 4h 35m |
| 2026-07-23 | BET → ANC | Jul 23, 04:40 UTC | Jul 23, 05:30 UTC | 50m |
| 2026-07-23 | ANC → BET | Jul 23, 02:36 UTC | Jul 23, 03:30 UTC | 54m |
| 2026-07-23 | ANC → BET | Jul 23, 02:25 UTC | Jul 23, 03:20 UTC | 55m |
| 2026-07-22 | PDX → ANC | Jul 22, 21:50 UTC | Jul 23, 01:15 UTC | 3h 25m |
| 2026-07-22 | - | Jul 22, 18:05 UTC | Jul 22, 19:50 UTC | 1h 45m |
| 2026-07-22 | SFO → SEA | Jul 22, 14:50 UTC | Jul 22, 16:50 UTC | 2h 0m |
| 2026-07-21 | - | Jul 21, 12:55 UTC | Jul 21, 16:50 UTC | 3h 55m |
| 2026-07-21 | SEA → ORD | Jul 21, 08:10 UTC | Jul 21, 11:20 UTC | 3h 10m |
| 2026-07-21 | LAX → PVR | Jul 21, 00:45 UTC | Jul 21, 06:30 UTC | 5h 45m |
| 2026-07-20 | SEA → BOS | Jul 20, 17:50 UTC | Jul 20, 22:20 UTC | 4h 30m |
| 2026-07-20 | PHX → SEA | Jul 20, 11:40 UTC | Jul 20, 15:45 UTC | 4h 5m |
| 2026-07-20 | SEA → IND | Jul 20, 06:45 UTC | Jul 20, 10:05 UTC | 3h 20m |
| 2026-07-19 | SEA → LAX | Jul 19, 22:30 UTC | Jul 20, 04:30 UTC | 6h 0m |
| 2026-07-19 | SEA → BOS | Jul 19, 16:10 UTC | Jul 19, 20:40 UTC | 4h 30m |
| 2026-07-19 | SLC → SEA | Jul 19, 12:40 UTC | Jul 19, 14:20 UTC | 1h 40m |
| 2026-07-19 | SFO → MCO | Jul 19, 06:30 UTC | Jul 19, 10:45 UTC | 4h 15m |
| 2026-07-19 | SEA → ANC | Jul 19, 00:10 UTC | Jul 19, 03:25 UTC | 3h 15m |
| 2026-07-18 | SAN → SEA | Jul 18, 18:25 UTC | Jul 18, 22:15 UTC | 3h 50m |
| 2026-07-18 | LAX → PDX | Jul 18, 13:20 UTC | Jul 18, 17:00 UTC | 3h 40m |
| 2026-07-18 | LAS → SEA | Jul 18, 03:05 UTC | Jul 18, 04:20 UTC | 1h 15m |
| 2026-07-18 | LAS → SEA | Jul 18, 03:14 UTC | Jul 18, 04:11 UTC | 57m |
| 2026-07-18 | SFO → ORD | Jul 18, 00:35 UTC | Jul 18, 01:46 UTC | 1h 11m |
| 2026-07-18 | SFO → ORD | Jul 18, 00:25 UTC | Jul 18, 01:45 UTC | 1h 20m |
| 2026-07-17 | - | Jul 17, 21:55 UTC | Jul 17, 22:49 UTC | 55m |
| 2026-07-17 | - | Jul 17, 17:30 UTC | Jul 17, 17:40 UTC | 10m |
| 2026-07-17 | HNL → SEA | Jul 17, 17:27 UTC | Jul 17, 22:39 UTC | 5h 12m |
| 2026-07-17 | SEA → HNL | Jul 17, 02:39 UTC | Jul 17, 08:10 UTC | 5h 30m |
| 2026-07-16 | - | Jul 16, 22:40 UTC | Jul 17, 00:40 UTC | 2h 0m |
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 ORD based on observed flights.
Where is N403AS right now?
N403AS is currently airborne flying as ASA208. Live position is shown on the map above.