AS343 Flight Status Alaska Airlines: Seattle to Detroit (ASA343)

AS 343 Seattle to Detroit Flight Status

Not scheduled today. Latest flight: October 2nd, 2026 ; recent history is in the table below.

AS 343 Flight Status & Schedule Alaska Airlines Seattle to Detroit

Date From To Departure Arrival Status Details
Oct 02 SEA DTW 22:23 04:57 Landed Track >
Oct 01 SEA DTW 22:10 04:40 Landed Track >
Sep 30 SEA DTW 22:14 04:50 Landed Track >
Sep 29 SEA DTW 22:13 04:51 Landed Track >
Sep 28 SEA DTW 22:19 04:56 Landed Track >
Sep 27 SEA DTW 22:12 04:58 Landed Track >
Sep 26 SEA DTW 22:15 05:03 Landed Track >
Sep 25 SEA DTW 22:42 05:26 Landed Track >
Sep 24 SEA DTW 22:39 05:25 Landed Track >
Sep 23 SEA DTW 22:23 05:01 Landed Track >

Alaska Airlines operates AS 343 from Seattle to Detroit, a 3,093 km (1,922 mi) trip. With 4 h 23 min in the timetable and a usual flight time of about 3 h 40 min, it often makes up time. It is not flying today; the last flight, on 2 October 2026, landed on time.

< All Seattle SEA Departures All Detroit DTW Arrivals >

About AS 343

Route
Seattle Tacoma International Airport SEA to Detroit Metropolitan Wayne County Airport DTW
Distance
3,093 km (1,922 mi)
Typical flight time
3 h 40 min
On time
10 of the last 10

AS 343 FAQ

How long is the AS343 flight?
The timetable allows 4 h 23 min. Seattle to Detroit is 3,093 km (1,922 mi).
How often is AS343 late?
None of the last 10 flights arrived 15 or more minutes late.
Which terminal does AS343 use?
It usually arrives at Terminal E at Detroit Metropolitan Wayne County Airport (DTW). Check the flight card above for today's terminal and gate.
What other flight numbers does AS343 have?
Also listed as ASA343 (Alaska Airlines' ICAO code) and AS 343.

AS343 and Seattle SEA to Detroit DTW Flights

Flight AS343 is code-shared by 2 airlines using the flight numbers AA7622, JL6385

Other flights departing from Seattle SEA: AS1490, QX2421

Other flights arriving at Detroit DTW: AA3108, DL310, MQ4012, DL1325

All flights connecting Seattle SEA to Detroit DTW.