AS315: Alaska flight 315
Seattle (SEA) → Detroit (DTW) · departs 10:18p, lands 5:40a +1 local · Daily
The timetable below has every scheduled departure; for today's flight, check Alaska.
An estimate from the published timetable, not live tracking: it cannot know about delays, diversions or cancellations.
Live status at Alaska →The route
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AS315 timetable
Published departure and arrival times, each in its airport's local time, from the flights we sampled Oct 14–20.
| Route | Departs | Arrives | Scheduled | Days |
|---|---|---|---|---|
| SEA → DTWSeattle to Detroit | 10:18p | 5:40a +1 | 4h22m | Daily |
Other nonstops from Seattle to Detroit
The departures either side of AS315. Times are Seattle time.
| Flight | Departs | Days |
|---|---|---|
| Alaska AS313 | 9:31a | Daily |
| Delta DL1706 | 11:25a | Daily |
| Delta DL533 | 3:00p | Mon, Wed, Thu, Fri, Sat, Sun |
| This flight AS315 | 10:18p | Daily |
| Delta DL810 | 11:10p | Daily |
All 7 flights from SEA to DTW, by time →
Flying back from Detroit
Alaska flies Detroit to Seattle nonstop 14 times a week, from 7:00a to 5:59p: 7:00a AS316 · 5:59p AS313 · every nonstop DTW → SEA →
How AS315 ran in our sample
6 of 7 departures left within 15 minutes of schedule (Oct 14–20). Only flights that departed are counted: cancellations are not in our data.
Aircraft: Boeing 737 MAX 9 on 4 of 7; also Boeing 737-900 (3).
What time does AS315 leave Seattle?
AS315 is scheduled to depart Seattle (SEA) at 10:18p (daily), Seattle time, and to land in Detroit (DTW) at about 5:40a the next day local time, a scheduled 4h22m. Times are the published ones from the flights we sampled Oct 14–20; check Alaska for today's.
What plane is AS315?
Boeing 737 MAX 9 on 4 of the 7 AS315 flights from SEA we sampled Oct 14–20; the rest were a Boeing 737-900. Airlines swap aircraft, so the plane on a given day can differ.
Does AS315 fly every day?
Yes — AS315 flew Seattle to Detroit every day of the week we sampled (Oct 14–20).
Is AS315 usually on time?
Of 7 AS315 departures from SEA we sampled Oct 14–20, 6 left within 15 minutes of the scheduled time. That counts only flights that departed — cancellations are not in our data — and one week is a small sample, so treat it as a hint, not a rating.
More Alaska flights from Seattle
Timetable from Alaska departures we observed; AS315 is a Alaska Airlines flight number, and Hop Nonstop is not affiliated with Alaska. Schedules change — confirm with the airline before you travel.