| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Jul 30 | SEA | DTW | 22:22 | 05:41 |
Scheduled
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| Jul 29 | SEA | DTW | 22:38 | 05:20 |
Landed
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| Jul 28 | SEA | DTW | 23:17 | 05:48 |
Landed
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| Jul 27 | SEA | DTW | 22:34 | 05:03 |
Landed
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| Jul 26 | SEA | DTW | 22:32 | 04:57 |
Landed
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| Jul 25 | SEA | DTW | 22:26 | 04:50 |
Landed
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| Jul 24 | SEA | DTW | 22:38 | 05:02 |
Landed
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| Jul 23 | SEA | DTW | 22:32 | 05:00 |
Landed
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| Jul 22 | SEA | DTW | 22:47 | 05:18 |
Landed
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| Jul 21 | SEA | DTW | 23:45 | 06:13 |
Landed Late
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Alaska Airlines Flight AS343 connects Seattle, United States to Detroit, United States, taking off from Seattle Tacoma International Airport SEA and landing at Detroit Metropolitan Wayne County Airport DTW.
How long is the AS343 flight from Seattle to Detroit?
The average flight time from Seattle to Detroit is 3 hours and 29 minutes. The flight distance is 3093 km / 1922 miles and the average flight speed is 871 km/h / 541 mph.
How many AS343 flights are operated per week?
7 flights per week. The flight AS343 is operated on Monday, Tuesday, Wednesday, Thursday, Friday, Saturday and Sunday.
What is the On-Time Performance (OTP) of Alaska Airlines Flight AS343 Seattle to Detroit?
The Airportia On-Time Performance Rating for Alaska Airlines Flight AS343 is 4.9/5 stars. This metric is calculated using data from the past 10 flights.
Which terminal is the flight AS343 arriving at?
Flight AS343 arrives at Detroit Metropolitan Wayne County Airport (DTW) Terminal E.
When was the latest AS343 flight?
The latest flight took off on Friday, July 31st, 2026 with the flight status being Scheduled on 05:41.
How else can the flight AS343 be referenced as?
This Alaska Airlines flight can also be referenced as ASA343, AS0343, AS 343, ASA 343.
How often is flight AS343 delayed?
On average, 20% of all AS343 flights are delayed. The average delay is 19 minutes.
Can I get compensation for my delayed or cancelled AS343 flight or baggage issues?
If your AS343 flight was cancelled, delayed, or if you experienced baggage issues such as delayed, damaged, or lost bags, you may be entitled to compensation. Compensation amounts and eligibility depend on various regulations, including EC 261/2004, UK261, CA Montreal Convention, US GoodWill, BR-ANAC, SA-GACA and TK-SHY.
See our AS343 Flight Tracker above for more details.
Other flights departing from Seattle SEA: AS269, B6264, AS1457, AA2522
Other flights arriving at Detroit DTW: DL310, UA234, DL407, DL764
All flights connecting Seattle SEA to Detroit DTW.