No delays reported for AS 31 (JFK → SEA) as of 6:45 PM ET. It arrived on time 77.9% of the time in June-August 2026. When it was late, the average delay was 1h 34m. 6.5% of flights were cancelled. Right now there are no reported delays at JFK, SEA.
Not seen yet
Not seen in the air yet, 136 min after its scheduled 4:29 PM departure from JFK. It may be delayed, out of receiver range, or not flying today.
Cancellation risk: Medium 6.5% of its flights were cancelled in June-August 2026.
Estimate from the schedule, live position and airport conditions, if this flight operates today. Check Alaska Airlines for official times. Live position: adsb.lol (open data, ODbL).
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Route and schedule
| Leg | Scheduled | On time |
|---|---|---|
| JFK → SEA New York, NY to Seattle, WA | 4:29 PM → 8:09 PM | 78% |
Local times. Schedules change; check your booking.
How reliable is AS 31?
| Arrived on time (within 15 min) | 77.9% |
| Average delay when late | 94 min |
| Cancelled | 6.5% |
| Diverted | 0% |
| Flights tracked | 92 |
Best and worst days to fly AS 31
AS 31 was most reliable on Wednesdays (92% on time) and least reliable on Sundays (42%).
| Monday | |
| Tuesday | |
| Wednesday | |
| Thursday | |
| Friday | |
| Saturday | |
| Sunday |
Why it runs late
| Late-arriving plane | |
| Airline (crew, maintenance) | |
| Air traffic system | |
| Extreme weather |
Share of delay minutes by cause, as reported by Alaska Airlines to the Department of Transportation.
Other flights JFK → SEA
All flights on this route, ranked
Live status at its airports
We show airport-wide airport status, not this flight's gate or live position. For that, check the Alaska Airlines app.
Alaska Airlines delays and what you're owed · Airline phone numbers
About this data
On-time history: U.S. Bureau of Transportation Statistics, Reporting Carrier On-Time Performance, June-August 2026. Live conditions: live airport status. "On time" means arriving within 15 minutes of schedule.
Common questions
Is AS 31 delayed today?
Right now there are no reported delays at JFK, SEA. Checked 6:45 PM ET. For this flight's gate and exact status, check the Alaska Airlines app.
Is AS 31 usually on time?
AS 31 arrived within 15 minutes of schedule 77.9% of the time in June-August 2026, with an average delay of 94 minutes when late.
How often is AS 31 cancelled?
6.5% of AS 31 flights were cancelled in June-August 2026.