AS39: Alaska flight 39
New York JFK (JFK) → San Francisco (SFO) · departs 6:59p, lands 10:34p local · Mon, Thu, Fri, Sat, Sun
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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AS39 timetable
Published departure and arrival times, each in its airport's local time, from the flights we sampled Oct 25–31.
| Route | Departs | Arrives | Scheduled | Days |
|---|---|---|---|---|
| JFK → SFONew York JFK to San Francisco | 6:59p | 10:34p | 6h35m | Mon, Thu, Fri, Sat, Sun |
Other nonstops from New York JFK to San Francisco
The departures either side of AS39. Times are New York JFK time.
| Flight | Departs | Days |
|---|---|---|
| American AA15 | 5:00p | Daily |
| Delta DL365 | 5:25p | Mon, Tue, Wed, Thu, Fri, Sun |
| JetBlue | 5:55p | Daily |
| This flight AS39 | 6:59p | Mon, Thu, Fri, Sat, Sun |
| Delta DL667 | 6:59p | Daily |
| JetBlue | 8:15p | Daily |
| American AA177 | 9:30p | Daily |
All 23 flights from JFK to SFO, by time →
Flying back from San Francisco
Alaska flies San Francisco to New York JFK nonstop 23 times a week, from 6:18a to 10:23p: 7:38a AS20 · 1:43p AS42 · 10:23p AS40 · every nonstop SFO → JFK →
How AS39 ran in our sample
4 of 5 departures left within 15 minutes of schedule (Oct 25–31). Only flights that departed are counted: cancellations are not in our data.
Aircraft: Boeing 737-900 on 4 of 5; also Boeing 737 MAX 9 (1).
What time does AS39 leave New York JFK?
AS39 is scheduled to depart New York JFK (JFK) at 6:59p (Mon, Thu, Fri, Sat, Sun), New York JFK time, and to land in San Francisco (SFO) at about 10:34p local time, a scheduled 6h35m. Times are the published ones from the flights we sampled Oct 25–31; check Alaska for today's.
What plane is AS39?
Boeing 737-900 on 4 of the 5 AS39 flights from JFK we sampled Oct 25–31; the rest were a Boeing 737 MAX 9. Airlines swap aircraft, so the plane on a given day can differ.
Does AS39 fly every day?
In the week we sampled (Oct 25–31), AS39 flew New York JFK to San Francisco on Mon, Thu, Fri, Sat, Sun.
Is AS39 usually on time?
Of 5 AS39 departures from JFK we sampled Oct 25–31, 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 New York JFK
Timetable from Alaska departures we observed; AS39 is a Alaska Airlines flight number, and Hop Nonstop is not affiliated with Alaska. Schedules change — confirm with the airline before you travel.