SEA → JFKSeattle to New York

live

Direct flights from Seattle (SEA) to New York (JFK): 21 nonstop departures observed each week across 3 airlines. 93% of the last 14 operated flights arrived within 15 minutes of schedule. The median arrival is 11 minutes early. No cancellations were recorded across the 14 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 21 October 2026 at 17:46 UTC.

Today, SEA → JFK

Wed 21 Oct · local times
  1. 06:58 AS16Alaska Airlines Departed JFK est. 14:55In the air · sched 15:20
  2. 07:15 DL429Delta Departed JFK est. 15:41In the air · sched 15:46
  3. 09:28 AS26Alaska Airlines Departed JFK est. 17:35In the air · sched 17:59
  4. 11:50 DL415Delta On scheduleGate A10 JFK est. 20:11sched 20:30
  5. 14:02 AS34Alaska Airlines On scheduleGate C20 JFK 22:29scheduled
  6. 16:00 DL1065Delta Air Lines On scheduleGate A11 ·
  7. 22:15 B6264JetBlue On scheduleGate S3 ·
  8. 22:59 DL452Delta Air Lines Departed Landed 06:52 −19
  9. 23:18 AS22Alaska Sched 23:18Departure not confirmed by the board ·

Checked SEA board 10:15 · JFK board 13:46

SEA Seattle busy · +20
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
93% on time

of the last 14 operated SEA → JFK flights arrived within 15 minutes

Median arrival delay is −11 min. 0 of 14 tracked legs cancelled in the sample. Will a delayed flight be cancelled? →

Median arrival−11 minacross the last 14 operated legs
Flight time~5h 29mestimated from route distance
Weekly departures21x3 direct airlines on the leg
Cancelled0.0%recent route rate · 0 of 14

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 AirlinesAS83% 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 LinesDL100% 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
10-21AS16arrived−25
10-21AS26arrived−24
10-21DL429arrived−5
10-21DL452arrived−19
10-20AS16arrived−15
10-20AS22arrived−6
10-20AS26arrived+46
10-20AS34arrived−25
10-20B6264arrived−16
10-20DL1065arrived−16
10-20DL415arrived−9
10-20DL429arrived−2
10-20DL452arrived+5
10-19DL1065arrived−11

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 +20 min busy 🌫 mostly cloudy · N 3 kt Full SEA delay board →
JFKNew York +0 min smooth 🌤 mostly cloudy · NNE 18 kt Full JFK delay board →

Weather lens

Current conditions put the pressure at 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 87/100. 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.