AS357: Alaska flight 357
Seattle (SEA) → Boise (BOI) · departs 9:57a, lands 12:35p 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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AS357 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 → BOISeattle to Boise | 9:57a | 12:35p | 1h38m | Daily |
Other nonstops from Seattle to Boise
The departures either side of AS357. Times are Seattle time.
| Flight | Departs | Days |
|---|---|---|
| Delta | 7:15a | Daily |
| Alaska AS248 | 7:17a | Daily |
| Delta | 8:59a | Daily |
| This flight AS357 | 9:57a | Daily |
| Alaska | 11:20a | Daily |
| Delta | 12:47p | Daily |
| Alaska AS467 | 12:48p | Daily |
All 15 flights from SEA to BOI, by time →
Flying back from Boise
Alaska flies Boise to Seattle nonstop 56 times a week, from 6:43a to 8:22p: 6:43a AS364 · 2:06p AS356 · 4:18p AS320 · 6:04p AS382 · every nonstop BOI → SEA →
How AS357 ran in our sample
5 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 737-900 on 4 of 7; also Boeing 737-800 (3).
What time does AS357 leave Seattle?
AS357 is scheduled to depart Seattle (SEA) at 9:57a (daily), Seattle time, and to land in Boise (BOI) at about 12:35p local time, a scheduled 1h38m. Times are the published ones from the flights we sampled Oct 14–20; check Alaska for today's.
What plane is AS357?
Boeing 737-900 on 4 of the 7 AS357 flights from SEA we sampled Oct 14–20; the rest were a Boeing 737-800. Airlines swap aircraft, so the plane on a given day can differ.
Does AS357 fly every day?
Yes — AS357 flew Seattle to Boise every day of the week we sampled (Oct 14–20).
Is AS357 usually on time?
Of 7 AS357 departures from SEA we sampled Oct 14–20, 5 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; AS357 is a Alaska Airlines flight number, and Hop Nonstop is not affiliated with Alaska. Schedules change — confirm with the airline before you travel.