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AS472

SEA → STL · Boeing 737-900 · Alaska Airlines

For travellers

Departure · Seattle (SEA)

Gate N3
Scheduled 02 Oct 18:03
Board status: On-Time
Airborne since 02 Oct 18:12 (ADS-B)

Board data from sea, updated 1772 min ago; times local to each airport.

Flight

Status
Completed
Arrival confirmed via
ADS-B (ground reading)
Departure
Seattle Tacoma International Airport (SEA) — Seattle, United States
Scheduled departure
2026-10-03 01:03 UTC
Departed
2026-10-03 01:12 UTC
Arrival
St Louis Lambert International Airport (STL) — St Louis, United States
Distance flown
2792 km
Straight-line distance
2744 km
Approach distance
55 km

Aircraft

Registration
N402AS
Type
Boeing 737-900
Seats
181 total (16 Business, 165 Economy)
CO2 (EMEP est., total)
68.4 t (584 kg/pax Business, 358 kg/pax Economy)

Altitude & speed

Max altitude
37,025 ft
Max ground speed
524 kt
Tracked
3h 43m · 2,786 km
Altitude (ft, max 37,025)
019,99439,9870m30m1h 0m1h 30m2h 0m2h 30m3h 0m3h 30m
Ground speed (kt, max 524)
02835660m30m1h 0m1h 30m2h 0m2h 30m3h 0m3h 30m
Altitude (ft, max 37,025)
019,99439,9870m1h 0m2h 0m3h 0m
Ground speed (kt, max 524)
02835660m1h 0m2h 0m3h 0m

From the ADS-B positions we received; time since the first fix. A dashed stretch is a gap in reception, bridged by a straight line.

Route map

Airline

Alaska Airlines (ASA)

Latest flights

DepartedFlightRouteRegAircraftStatusDistance
2026-10-03 01:12 UTC ASA472 SEA → STL
Seattle → St Louis
 N402AS Boeing 737-900 Completed 2792 km
2026-10-02 00:58 UTC ASA472 SEA → STL
Seattle → St Louis
 N298AK Boeing 737-900 Completed 2845 km

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