AS621: Alaska flight 621
Seattle (SEA) → San Diego (SAN) · departs 11:31a, lands 2:38p 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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AS621 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 → SANSeattle to San Diego | 11:31a | 2:38p | 3h7m | Daily |
How AS621 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 737-800 on 3 of 7; also Boeing 737-900 (3), Boeing 737 MAX 9 (1).
Other flights on this route: AS765 · all of them →
What time does AS621 leave Seattle?
AS621 is scheduled to depart Seattle (SEA) at 11:31a (daily), Seattle time, and to land in San Diego (SAN) at about 2:38p local time, a scheduled 3h7m. Times are the published ones from the flights we sampled Oct 14–20; check Alaska for today's.
What plane is AS621?
Boeing 737-800 on 3 of the 7 AS621 flights from SEA we sampled Oct 14–20; the rest were a Boeing 737-900 or Boeing 737 MAX 9. Airlines swap aircraft, so the plane on a given day can differ.
Does AS621 fly every day?
Yes — AS621 flew Seattle to San Diego every day of the week we sampled (Oct 14–20).
Is AS621 usually on time?
Of 7 AS621 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; AS621 is a Alaska Airlines flight number, and Hop Nonstop is not affiliated with Alaska. Schedules change — confirm with the airline before you travel.