SEA → JFKSeattle to New York

live

Direct flights from Seattle (SEA) to New York (JFK): 21 nonstop departures observed each week across 3 airlines. 94% of the last 16 operated flights arrived within 15 minutes of schedule. The median arrival is 9 minutes early. No cancellations were recorded across the 16 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 Seattle and New York. Updated 26 October 2026 at 23:06 UTC.

Today, SEA → JFK

Mon 26 Oct · local times
  1. 07:00 AS16Alaska Airlines Departed Landed 15:07 −29
  2. 07:15 DL429Delta Departed Landed 15:39 −7
  3. 09:28 AS26Alaska Airlines Departed Landed 17:46 −13
  4. 11:50 DL415Delta Departed JFK est. 20:25In the air · sched 20:28
  5. 14:02 AS34Alaska Airlines Departed JFK est. 22:31In the air · sched 22:29
  6. 16:00 DL1065Delta Air Lines Departed ·
  7. 22:59 DL452Delta Air Lines Departed Landed 07:18 +7
  8. 23:18 AS22Alaska Departed Landed 07:24 −20

Checked SEA board 16:06 · JFK board 18:33

SEA Seattle smooth · +10
JFK New York smooth · +0
3,887 km · ~5h 29m est.
dep bank 06:58–23:1821x weekly
Runs reliable · 3 airlines · 21x weekly · nonstop
94% on time

of the last 16 operated SEA → JFK flights arrived within 15 minutes

Median arrival delay is −9 min. 0 of 16 tracked legs cancelled in the sample. Will a delayed flight be cancelled? →

Median arrival−9 minacross the last 16 operated legs
Flight time~5h 29mestimated from route distance
Weekly departures21x3 direct airlines on the leg
Cancelled0.0%recent route rate · 0 of 16

The week

scheduled departures · origin local time
06121824
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 days
Alaska AirlinesAS100% on time

Flights AS16 06:58 daily · AS26 09:28 daily · AS34 14:02 daily · AS22 23:18 Mo We Th Fr Su

Delta Air LinesDL88% on time

Flights DL429 07:15 daily · DL415 11:50 daily · DL1065 16:00 daily · DL452 22:59 daily

JetBlue AirwaysB6

Flights B6264 22:15 daily

History

operated legs · board outcomes
10-26AS16arrived−29
10-26AS22arrived−20
10-26AS26arrived−13
10-26AS34arrived+2
10-26DL415arrived−3
10-26DL429arrived−7
10-26DL452arrived+7
10-25AS16arrived−21
10-25AS26arrived−21
10-25AS34arrived−11
10-25B6264arrived−21
10-25DL1065arrived+3
10-25DL415arrived−9
10-25DL429arrived−11
10-25DL452arrived+19
10-24DL1065arrived+6

Actual board outcomes rather than schedules, paired departure and arrival per flight and day.

Full board history, day by day →

Airports right now

live boards
SEASeattle +10 min smooth 🌤 mostly cloudy · W 4 kt Full SEA delay board →
JFKNew York +0 min smooth 🌤 few clouds · W 8 kt Full JFK delay board →

Weather lens

Current conditions put the pressure at SEA and JFK: 37% 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 →

How the Seattle to New York route actually runs

Pro Flight Search records official board updates for nonstop SEA to JFK 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 — Seattle (SEA) to New York (JFK) route reliability, measured from operated flights on official airport boards.

Canonical URL
https://proflightsearch.com/search-flights/SEA-JFK
How we measure this →

SEA to JFK questions

Is SEA–JFK running on time right now?

Smooth skies ahead. The departure side at SEA is the weaker end, route health score 93/100. The airports section above carries the live status and delay window at both ends.

Morning or evening flight on SEA–JFK?

Operators schedule morning departures around 06:58 and evening departures around 22:15 from SEA. Earlier flights typically land before destination-airport delays accumulate later in the day; check the JFK delay card to confirm conditions when you'd arrive.

How long is the flight from SEA to JFK?

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 SEA–JFK fly?

3 carriers operate this route, around 61 flights a week between them. Compare carrier days and times in the airline list above.