No delays reported for AS 34 (SEA → JFK) as of 6:43 PM ET. It arrived on time 74.4% of the time in June-August 2026. When it was late, the average delay was 1h 12m. 4.3% of flights were cancelled. Right now there are no reported delays at SEA, JFK.
In the air
In the air.
In the air: 29,000 ft, 493 kt, B739 (N280AK). Live map
Cancellation risk: Medium 4.3% 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).
Before you fly
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Route and schedule
| Leg | Scheduled | On time |
|---|---|---|
| SEA → JFK Seattle, WA to New York, NY | 9:29 AM → 5:55 PM | 74% |
Local times. Schedules change; check your booking.
How reliable is AS 34?
| Arrived on time (within 15 min) | 74.4% |
| Average delay when late | 72 min |
| Cancelled | 4.3% |
| Diverted | 2.2% |
| Flights tracked | 92 |
Best and worst days to fly AS 34
AS 34 was most reliable on Tuesdays (92% on time) and least reliable on Thursdays (54%).
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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 SEA → JFK
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 34 delayed today?
Right now there are no reported delays at SEA, JFK. Checked 6:43 PM ET. For this flight's gate and exact status, check the Alaska Airlines app.
Is AS 34 usually on time?
AS 34 arrived within 15 minutes of schedule 74.4% of the time in June-August 2026, with an average delay of 72 minutes when late.
How often is AS 34 cancelled?
4.3% of AS 34 flights were cancelled in June-August 2026.