flight Aircraft
N423AS
BOEING 737-900
Operated by ALASKA AIRLINES INC
- Tail number
- N423AS
- Type
- B739
- Mode-S
- A506D5
Airborne now · flying as ASA538 at 37,000 ft
- Flights observed
- 193 showing last 50
- Avg flight time
- 2h 23m
- Typical route
- PDX → SFO
- Last seen
- 1h ago
Live position
Recent flights last 50
| Date | Route | Takeoff | Landing | Duration |
|---|---|---|---|---|
| 2026-05-30 | SFO → LAS | May 30, 01:00 UTC | May 30, 01:15 UTC | 15m |
| 2026-05-29 | SEA → LIH | May 29, 22:10 UTC | May 29, 23:10 UTC | 1h 0m |
| 2026-05-29 | SEA → SNA | May 29, 02:05 UTC | May 29, 03:00 UTC | 55m |
| 2026-05-28 | SEA → AUS | May 28, 22:00 UTC | May 29, 00:10 UTC | 2h 10m |
| 2026-05-28 | SEA → AUS | May 28, 21:52 UTC | May 28, 23:56 UTC | 2h 4m |
| 2026-05-28 | SEA → AUS | May 28, 18:40 UTC | May 28, 20:30 UTC | 1h 50m |
| 2026-05-28 | PDX → SFO | May 28, 14:45 UTC | May 28, 17:05 UTC | 2h 20m |
| 2026-05-27 | BOS → SEA | May 27, 21:50 UTC | May 28, 02:45 UTC | 4h 55m |
| 2026-05-27 | BOS → SEA | May 27, 16:05 UTC | May 27, 20:40 UTC | 4h 35m |
| 2026-05-27 | SEA → IND | May 27, 13:05 UTC | May 27, 13:40 UTC | 35m |
| 2026-05-27 | PDX → CUN | May 27, 02:00 UTC | May 27, 06:53 UTC | 4h 53m |
| 2026-05-27 | PDX → CUN | May 27, 01:49 UTC | May 27, 02:24 UTC | 35m |
| 2026-05-26 | PDX → SJC | May 26, 19:41 UTC | May 26, 23:26 UTC | 3h 45m |
| 2026-05-26 | PDX → SJC | May 26, 19:45 UTC | May 26, 23:19 UTC | 3h 35m |
| 2026-05-26 | SAN → ORD | May 26, 14:14 UTC | May 26, 17:55 UTC | 3h 40m |
| 2026-05-26 | RNO → SEA | May 26, 00:49 UTC | May 26, 02:55 UTC | 2h 5m |
| 2026-05-25 | LAX → PDX | May 25, 21:19 UTC | May 25, 23:14 UTC | 1h 55m |
| 2026-05-25 | SJC → PDX | May 25, 17:40 UTC | May 25, 19:40 UTC | 1h 59m |
| 2026-05-25 | EWR → SEA | May 25, 15:05 UTC | May 25, 16:05 UTC | 1h 0m |
| 2026-05-25 | EWR → SFO | May 25, 04:45 UTC | May 25, 05:45 UTC | 1h 0m |
| 2026-05-25 | EWR → SFO | May 25, 04:45 UTC | May 25, 05:46 UTC | 1h 1m |
| 2026-05-24 | LAS → SFO | May 24, 21:10 UTC | May 25, 02:35 UTC | 5h 25m |
| 2026-05-24 | LAS → SFO | May 24, 21:07 UTC | May 25, 02:21 UTC | 5h 14m |
| 2026-05-24 | SAN → LIH | May 24, 14:25 UTC | May 24, 19:30 UTC | 5h 5m |
| 2026-05-24 | LAS → PDX | May 24, 02:10 UTC | May 24, 03:48 UTC | 1h 38m |
| 2026-05-24 | LAS → PDX | May 24, 01:55 UTC | May 24, 03:45 UTC | 1h 50m |
| 2026-05-23 | PDX → SFO | May 23, 22:17 UTC | May 23, 23:58 UTC | 1h 41m |
| 2026-05-23 | PDX → SFO | May 23, 22:05 UTC | May 24, 00:05 UTC | 2h 0m |
| 2026-05-23 | EWR → LAX | May 23, 17:05 UTC | May 23, 20:10 UTC | 3h 6m |
| 2026-05-23 | LAX → EWR | May 23, 01:30 UTC | May 23, 04:45 UTC | 3h 15m |
| 2026-05-22 | SEA → SFO | May 22, 22:30 UTC | May 23, 00:00 UTC | 1h 30m |
| 2026-05-22 | PDX → SFO | May 22, 19:25 UTC | May 22, 20:25 UTC | 1h 0m |
| 2026-05-22 | PDX → SFO | May 22, 19:25 UTC | May 22, 20:35 UTC | 1h 10m |
| 2026-05-22 | STL → PVR | May 22, 15:50 UTC | May 22, 17:45 UTC | 1h 55m |
| 2026-05-22 | BUR → SEA | May 22, 13:30 UTC | May 22, 14:30 UTC | 1h 0m |
| 2026-05-22 | BUR → SEA | May 22, 13:27 UTC | May 22, 14:13 UTC | 46m |
| 2026-05-22 | SJD → SEA | May 22, 05:40 UTC | May 22, 07:30 UTC | 1h 50m |
| 2026-05-22 | SJD → SEA | May 22, 05:38 UTC | May 22, 07:12 UTC | 1h 34m |
| 2026-05-22 | SAN → CUN | May 22, 00:00 UTC | May 22, 04:15 UTC | 4h 15m |
| 2026-05-21 | SFO → AUS | May 21, 18:45 UTC | May 21, 22:19 UTC | 3h 34m |
| 2026-05-21 | SFO → AUS | May 21, 18:50 UTC | May 21, 22:40 UTC | 3h 50m |
| 2026-05-21 | MCO → SFO | May 21, 15:10 UTC | May 21, 16:59 UTC | 1h 49m |
| 2026-05-21 | MCO → SFO | May 21, 14:45 UTC | May 21, 14:50 UTC | 5m |
| 2026-05-21 | OGG → PDX | May 21, 01:20 UTC | May 21, 03:55 UTC | 2h 35m |
| 2026-05-20 | ZIH → SFO | May 20, 19:40 UTC | May 20, 23:10 UTC | 3h 30m |
| 2026-05-20 | SEA → MKE | May 20, 13:25 UTC | May 20, 17:55 UTC | 4h 30m |
| 2026-05-20 | SEA → EWR | May 20, 00:40 UTC | May 20, 04:45 UTC | 4h 6m |
| 2026-05-19 | MIA → PDX | May 19, 21:05 UTC | May 19, 22:55 UTC | 1h 50m |
| 2026-05-19 | MIA → PDX | May 19, 17:35 UTC | May 19, 19:50 UTC | 2h 15m |
| 2026-05-19 | SEA → OAK | May 19, 14:37 UTC | May 19, 15:40 UTC | 1h 3m |
Specifications
| Registration | N423AS |
| Aircraft type | BOEING 737-900 (B739) |
| Operator | ALASKA AIRLINES INC |
| Mode-S code | A506D5 · 51203325 (octal) |
Looking for transponder-level data? View the Mode-S A506D5 page for country allocation, callsign history, and ADS-B signal details.
N423AS frequently asked
What type of aircraft is N423AS?
N423AS is a BOEING 737-900 (ICAO type code B739).
Who operates N423AS?
N423AS is operated by ALASKA AIRLINES INC.
What is the Mode-S transponder code for N423AS?
N423AS broadcasts on Mode-S (ICAO 24-bit) address A506D5 (octal 51203325). View the transponder page.
What route does N423AS typically fly?
N423AS most frequently flies between PDX and SFO based on observed flights.
Where is N423AS right now?
N423AS is currently airborne flying as ASA538. Live position is shown on the map above.