AS623: Alaska flight 623
Seattle (SEA) → San Diego (SAN) · departs 7:07p, lands 9:58p 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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AS623 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 → SANSeattle to San Diego | 7:07p | 9:58p | 2h51m | Daily |
Other nonstops from Seattle to San Diego
The departures either side of AS623. Times are Seattle time.
| Flight | Departs | Days |
|---|---|---|
| Alaska AS765 | 2:59p | Daily |
| Delta DL2613 | 3:18p | Mon, Tue, Wed, Thu, Fri, Sun |
| Alaska AS791 | 4:54p | Daily |
| This flight AS623 | 7:07p | Daily |
| Delta DL2672 | 7:59p | Daily |
| Alaska AS254 | 8:07p | Mon, Tue, Wed, Thu, Sat, Sun |
| Alaska AS600 | 9:08p | Mon, Thu, Fri, Sun |
All 21 flights from SEA to SAN, by time →
Flying back from San Diego
Alaska flies San Diego to Seattle nonstop 61 times a week, from 6:15a to 8:28p: 6:15a AS608 · 11:10a AS1366 · 2:59p AS685 · 5:20p AS692 · 7:27p AS1373 · every nonstop SAN → SEA →
How AS623 ran in our sample
4 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 737-900 on 3 of 7; also Boeing 737-800 (2), Boeing 737 MAX 8 (1), Boeing 737 MAX 9 (1).
What time does AS623 leave Seattle?
AS623 is scheduled to depart Seattle (SEA) at 7:07p (daily), Seattle time, and to land in San Diego (SAN) at about 9:58p local time, a scheduled 2h51m. Times are the published ones from the flights we sampled Oct 15–21; check Alaska for today's.
What plane is AS623?
Boeing 737-900 on 3 of the 7 AS623 flights from SEA we sampled Oct 15–21; the rest were a Boeing 737-800 or Boeing 737 MAX 8 or Boeing 737 MAX 9. Airlines swap aircraft, so the plane on a given day can differ.
Does AS623 fly every day?
Yes — AS623 flew Seattle to San Diego every day of the week we sampled (Oct 15–21).
Is AS623 usually on time?
Of 7 AS623 departures from SEA we sampled Oct 15–21, 4 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; AS623 is a Alaska Airlines flight number, and Hop Nonstop is not affiliated with Alaska. Schedules change — confirm with the airline before you travel.