ASA473

Flight

Status

Completed

Departure

St Louis Lambert International Airport (STL) — St Louis, United States

Est. departure time

2026-08-22 11:32 UTC (approx.)

Arrival

Seattle Tacoma International Airport (SEA) — Seattle, United States

Distance flown

4015 km

Straight-line distance

2744 km

Approach distance

97 km

Aircraft

Registration

N442AS

Type

Boeing 737-900

Seats

181 total (16 Business, 165 Economy)

Altitude & speed

Max altitude

36,025 ft

Max ground speed

468 kt

Tracked

5h 14m · 2,949 km

Altitude (ft, max 36,025)

Ground speed (kt, max 468)

Altitude (ft, max 36,025)

Ground speed (kt, max 468)

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

Departed	Flight	Route	Reg	Aircraft	Status	Distance
2026-10-01 11:34 UTC	ASA473	STL → SEA St Louis → Seattle	N946AK	Boeing 737 MAX 9	Completed	2882 km
2026-09-30 11:33 UTC	ASA473	STL → SEA St Louis → Seattle	N453AS	Boeing 737-900	Completed	2913 km
2026-09-29 11:35 UTC	ASA473	STL → SEA St Louis → Seattle	N471AS	Boeing 737-900	Completed	2946 km
2026-09-28 12:12 UTC	ASA473	STL → SEA St Louis → Seattle	N467AS	Boeing 737-900	Completed	2868 km
2026-09-27 11:33 UTC	ASA473	STL → SEA St Louis → Seattle	N275AK	Boeing 737-900	Completed	2839 km
2026-09-26 11:32 UTC	ASA473	STL → SEA St Louis → Seattle	N920AK	Boeing 737 MAX 9	Completed	2872 km
2026-09-25 11:32 UTC	ASA473	STL → SEA St Louis → Seattle	N277AK	Boeing 737-900	Completed	2877 km
2026-09-24 11:36 UTC	ASA473	STL → SEA St Louis → Seattle	N517AS	Boeing 737-800	Completed	2871 km
2026-09-23 11:24 UTC	ASA473	STL → SEA St Louis → Seattle	N280AK	Boeing 737-900	Completed	2814 km
2026-09-22 11:34 UTC	ASA473	STL → SEA St Louis → Seattle	N974AK	Boeing 737 MAX 9	Completed	2845 km
2026-09-21 11:37 UTC	ASA473	STL → SEA St Louis → Seattle	N707AL	Boeing 737 MAX 9	Completed	2897 km
2026-09-20 11:34 UTC	ASA473	STL → SEA St Louis → Seattle	N287AK	Boeing 737-900	Completed	2942 km
2026-09-19 11:36 UTC	ASA473	STL → SEA St Louis → Seattle	N917KA	Boeing 737 MAX 9	Completed	3078 km
2026-09-18 11:38 UTC	ASA473	STL → SEA St Louis → Seattle	N552AS	Boeing 737-800	Completed	2982 km
2026-09-17 11:31 UTC	ASA473	STL → SEA St Louis → Seattle	N956AK	Boeing 737 MAX 9	Completed	3128 km
2026-09-16 15:43 UTC	ASA473	SEA → SEA Seattle → Seattle	N292AK	Boeing 737-900	Completed	~3 km est. (2 km recorded)
2026-09-16 11:42 UTC	ASA473	STL → SEA St Louis → Seattle	N292AK	Boeing 737-900	Completed	3105 km
2026-09-15 12:02 UTC	ASA473	STL → SEA St Louis → Seattle	N966AK	Boeing 737 MAX 9	Completed	3153 km
2026-09-14 11:36 UTC	ASA473	STL → SEA St Louis → Seattle	N277AK	Boeing 737-900	Completed	3144 km
2026-09-13 11:34 UTC	ASA473	STL → SEA St Louis → Seattle	N285AK	Boeing 737-900	Completed	2924 km
2026-09-12 11:27 UTC	ASA473	STL → SEA St Louis → Seattle	N431AS	Boeing 737-900	Completed	3015 km
2026-09-11 11:39 UTC	ASA473	STL → SEA St Louis → Seattle	N431AS	Boeing 737-900	Completed	3018 km
2026-09-10 11:40 UTC	ASA473	STL → SEA St Louis → Seattle	N469AS	Boeing 737-900	Completed	3312 km
2026-09-09 11:40 UTC	ASA473	STL → SEA St Louis → Seattle	N968AK	Boeing 737 MAX 9	Completed	3028 km
2026-09-08 11:35 UTC	ASA473	STL → SEA St Louis → Seattle	N943AK	Boeing 737 MAX 9	Incomplete (signal lost)	~2922 km est. (1355 km recorded)
2026-09-07 11:41 UTC	ASA473	STL → SEA St Louis → Seattle	N926AK	Boeing 737 MAX 9	Completed	3082 km
2026-09-06 11:39 UTC	ASA473	STL → SEA St Louis → Seattle	N278AK	Boeing 737-900	Completed	3074 km
2026-09-05 11:45 UTC	ASA473	STL → SEA St Louis → Seattle	N935AK	Boeing 737 MAX 9	Completed	2968 km
2026-09-04 11:42 UTC	ASA473	STL → SEA St Louis → Seattle	N288AK	Boeing 737-900	Completed	2914 km
2026-09-03 11:41 UTC	ASA473	STL → SEA St Louis → Seattle	N531AS	Boeing 737-800	Completed	2969 km
2026-09-02 11:41 UTC	ASA473	STL → SEA St Louis → Seattle	N464AS	Boeing 737-900	Completed	3026 km
2026-09-01 11:35 UTC	ASA473	STL → SEA St Louis → Seattle	N979AK	Boeing 737 MAX 9	Completed	3118 km
2026-08-31 11:36 UTC	ASA473	STL → SEA St Louis → Seattle	N943AK	Boeing 737 MAX 9	Completed	3157 km
2026-08-30 11:51 UTC	ASA473	STL → SEA St Louis → Seattle	N525AS	Boeing 737-800	Completed	2886 km
2026-08-29 11:47 UTC	ASA473	STL → SEA St Louis → Seattle	N946AK	Boeing 737 MAX 9	Completed	3087 km
2026-08-28 11:40 UTC	ASA473	STL → SEA St Louis → Seattle	N237AK	Boeing 737-900	Completed	3081 km
2026-08-27 11:34 UTC	ASA473	STL → SEA St Louis → Seattle	N492AS	Boeing 737-900	Completed	3068 km
2026-08-26 12:12 UTC	ASA473	STL → SEA St Louis → Seattle	N479AS	Boeing 737-900	Completed	2973 km
2026-08-25 11:39 UTC	ASA473	STL → SEA St Louis → Seattle	N215AK	Boeing 737-900	Completed	2960 km
2026-08-24 11:44 UTC	ASA473	STL → SEA St Louis → Seattle	N921AK	Boeing 737 MAX 9	Completed	3168 km
2026-08-23 11:56 UTC	ASA473	STL → SEA St Louis → Seattle	N948AK	Boeing 737 MAX 9	Completed	3912 km
2026-08-22 11:49 UTC	ASA473	STL → SEA St Louis → Seattle	N442AS	Boeing 737-900	Completed	4015 km
2026-08-21 11:40 UTC	ASA473	STL → SEA St Louis → Seattle	N267AK	Boeing 737-900	Completed	4040 km
2026-08-20 11:49 UTC	ASA473	STL → SEA St Louis → Seattle	N472AS	Boeing 737-900	Completed	7766 km
2026-08-19 12:28 UTC	ASA473	STL → SEA St Louis → Seattle	N931AK	Boeing 737 MAX 9	Completed	6562 km
2026-08-18 11:03 UTC	ASA473	STL → SEA St Louis → Seattle	N278AK	Boeing 737-900	Completed	8808 km
2026-08-17 11:10 UTC	ASA473	STL → SEA St Louis → Seattle	N282AK	Boeing 737-900	Completed	6043 km
2026-08-16 10:57 UTC	ASA473	STL → SEA St Louis → Seattle	N731AL	Boeing 737 MAX 9	Completed	4276 km
2026-08-15 11:02 UTC	ASA473	STL → SEA St Louis → Seattle	N434AS	Boeing 737-900	Completed	4204 km
2026-08-14 11:12 UTC	ASA473	STL → SEA St Louis → Seattle	N975AK	Boeing 737 MAX 9	Completed	4311 km