Alaska AirlinesAS100% on time
Flights AS21 07:25 daily · AS23 13:00 daily · AS31 16:05 daily · AS17 20:12 Mo We Th Fr Sa Su
live
Direct flights from New York (JFK) to Seattle (SEA): 21 nonstop departures observed each week across 3 airlines. 100% of the last 13 operated flights arrived within 15 minutes of schedule. The median arrival is 6 minutes early. No cancellations were recorded across the 13 tracked flights. The nonstop covers 3,887 km, an estimated 5 hours 29 minutes in the air. Measured by Pro Flight Search from live flight boards at New York and Seattle. Updated 8 September 2026 at 01:23 UTC.
JFK
New York
smooth · +0
SEA
Seattle
smooth · +0
3,887 km · ~5h 29m est.
Runs reliable · 3 airlines · 21x weekly · nonstop
100% on time
of the last 13 operated JFK → SEA flights arrived within 15 minutes
Median arrival delay is −6 min. 0 of 13 tracked legs cancelled in the sample. Will a delayed flight be cancelled? →
Median arrival−6 minacross the last 13 operated legs
Flight time~5h 29mestimated from route distance
Weekly departures21x3 direct airlines on the leg
Cancelled0.0%recent route rate · 0 of 13
The week
scheduled departures · origin local time06121824
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Alaska AirlinesDelta Air LinesJetBlue Airways
Each mark is a scheduled departure at its origin-local time, observed operating in the last 7 days. Today is highlighted.
Who flies it
observed on the boards · 7 daysHistory
operated legs · board outcomesActual board outcomes rather than schedules, paired departure and arrival per flight and day.
Full board history, day by day →
Airports right now
live boardsWeather lens
Current conditions put the pressure at JFK and SEA: 38% odds of a 15+ minute delay and around +4 min expected when it bites, measured from this route's own weather-matched delay history. See live delays → · Weather risk by airport →
next sweep in 120s
How the New York to Seattle route actually runs
Pro Flight Search records official board updates for nonstop JFK to SEA flights through the day: schedules, estimates, gate pushes and actual departures. The verdict above comes from operated flights, so it reflects what this route does rather than what the timetable promises.
Planning around a delay? Live airport delays · Weather delay risk map · Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure
Cite this data
Journalists, bloggers, and researchers may cite this page with attribution and a link to Pro Flight Search.
Suggested citation
Pro Flight Search — New York (JFK) to Seattle (SEA) route reliability, measured from operated flights on official airport boards.
Canonical URL
How we measure this →
https://proflightsearch.com/search-flights/JFK-SEA
JFK to SEA questions
Is JFK–SEA running on time right now?
Smooth skies ahead. Both endpoints currently score the same, route health score 100/100. The airports section above carries the live status and delay window at both ends.
Morning or evening flight on JFK–SEA?
Operators schedule morning departures around 07:01 and evening departures around 17:45 from JFK. Earlier flights typically land before destination-airport delays accumulate later in the day; check the SEA delay card to confirm conditions when you'd arrive.
How long is the flight from JFK to SEA?
Great-circle distance is 3,887 km. With typical jet cruise speed plus taxi, climb and descent, expect roughly 304–363 min gate-to-gate on this route.
How often does JFK–SEA fly?
3 carriers operate this route, around 62 flights a week between them. Compare carrier days and times in the airline list above.
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