AS504: Alaska flight 504
Seattle (SEA) → Santa Rosa (STS) · departs 7:56p, lands 9:56p 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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AS504 timetable
Published departure and arrival times, each in its airport's local time, from the flights we sampled Oct 15–21.
| Route | Departs | Arrives | Scheduled | Days |
|---|---|---|---|---|
| SEA → STSSeattle to Santa Rosa | 7:56p | 9:56p | 2h | Daily |
Other nonstops from Seattle to Santa Rosa
The departures either side of AS504. Times are Seattle time.
| Flight | Departs | Days |
|---|---|---|
| Alaska AS1347 | 10:58a | Daily |
| This flight AS504 | 7:56p | Daily |
All 2 flights from SEA to STS, by time →
Flying back from Santa Rosa
Alaska flies Santa Rosa to Seattle nonstop 14 times a week, from 7:00a to 5:06p: 7:00a AS513 · 5:06p AS1348 · every nonstop STS → SEA →
How AS504 ran in our sample
7 of 7 departures left within 15 minutes of schedule (Oct 15–21). Only flights that departed are counted: cancellations are not in our data.
Aircraft: Boeing 737-800 on 5 of 7; also Boeing 737 MAX 8 (2).
What time does AS504 leave Seattle?
AS504 is scheduled to depart Seattle (SEA) at 7:56p (daily), Seattle time, and to land in Santa Rosa (STS) at about 9:56p local time, a scheduled 2h. Times are the published ones from the flights we sampled Oct 15–21; check Alaska for today's.
What plane is AS504?
Boeing 737-800 on 5 of the 7 AS504 flights from SEA we sampled Oct 15–21; the rest were a Boeing 737 MAX 8. Airlines swap aircraft, so the plane on a given day can differ.
Does AS504 fly every day?
Yes — AS504 flew Seattle to Santa Rosa every day of the week we sampled (Oct 15–21).
Is AS504 usually on time?
Of 7 AS504 departures from SEA we sampled Oct 15–21, 7 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; AS504 is a Alaska Airlines flight number, and Hop Nonstop is not affiliated with Alaska. Schedules change — confirm with the airline before you travel.