AS1831: Alaska flight 1831
San Francisco (SFO) → Los Angeles (LAX) · departs 3:38p, lands 5:05p 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.
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AS1831 timetable
Published departure and arrival times, each in its airport's local time, from the flights we sampled Nov 4–10.
| Route | Departs | Arrives | Scheduled | Days |
|---|---|---|---|---|
| SFO → LAXSan Francisco to Los Angeles | 3:38p | 5:05p | 1h27m | Daily |
Other nonstops from San Francisco to Los Angeles
The departures either side of AS1831. Times are San Francisco time.
| Flight | Departs | Days |
|---|---|---|
| American | 2:05p | Mon, Thu, Fri, Sat, Sun |
| Southwest | 2:30p | Daily |
| Delta DL1715 | 2:40p | Daily |
| This flight AS1831 | 3:38p | Daily |
| American | 4:10p | Mon, Thu, Fri, Sat, Sun |
| United UA1506 | 4:25p | Daily |
| Alaska AS308 | 4:46p | Tue–Sun |
All 55 flights from SFO to LAX, by time →
Flying back from Los Angeles
Alaska flies Los Angeles to San Francisco nonstop 80 times a week, from 6:00a to 10:00p: 7:00a AS306 · 12:14p AS331 · 3:58p AS91 · 5:45p AS1838 · 7:45p AS411 · every nonstop LAX → SFO →
How AS1831 ran in our sample
4 of 7 departures left within 15 minutes of schedule (Nov 4–10). Only flights that departed are counted: cancellations are not in our data.
Aircraft: Boeing 737 MAX 9 on 3 of 7; also Boeing 737-900 (3), Boeing 737-800 (1).
What time does AS1831 leave San Francisco?
AS1831 is scheduled to depart San Francisco (SFO) at 3:38p (daily), San Francisco time, and to land in Los Angeles (LAX) at about 5:05p local time, a scheduled 1h27m. Times are the published ones from the flights we sampled Nov 4–10; check Alaska for today's.
What plane is AS1831?
Boeing 737 MAX 9 on 3 of the 7 AS1831 flights from SFO we sampled Nov 4–10; the rest were a Boeing 737-900 or Boeing 737-800. Airlines swap aircraft, so the plane on a given day can differ.
Does AS1831 fly every day?
Yes — AS1831 flew San Francisco to Los Angeles every day of the week we sampled (Nov 4–10).
Is AS1831 usually on time?
Of 7 AS1831 departures from SFO we sampled Nov 4–10, 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 San Francisco
Timetable from Alaska departures we observed; AS1831 is a Alaska Airlines flight number, and Hop Nonstop is not affiliated with Alaska. Schedules change — confirm with the airline before you travel.