SEA → EWRSeattle to New York

live

Direct flights from Seattle (SEA) to New York (EWR): 42 nonstop departures observed each week across 2 airlines. 82% of the last 28 tracked flights arrived within 15 minutes of schedule. The median arrival is 9 minutes early. 1 of the 28 tracked flights was cancelled. The nonstop covers 3,855 km, an estimated 5 hours 27 minutes in the air. Measured by Pro Flight Search from live flight boards at Seattle and New York. Updated 15 November 2026 at 03:22 UTC.

Today, SEA → EWR

Sat 14 Nov · local times
AS316Alaska116 min late

The SEA board at 19:22 shows departure at 23:14 instead of 21:18, gate D1.

Later cancelled
6.1%of 2,369 past Alaska flights whose board showed 70 min or more late
Still to leave today
UA1538 01:05United Airlines
Track AS316 →
UA1538United Airlines108 min late

The SEA board at 19:22 shows departure at 01:05 instead of 23:17, gate B7A.

Later cancelled
6.5%of 7,146 past United Airlines flights whose board showed 70 min or more late
Still to leave today
No other nonstoplast SEA to EWR departure of the day
Track UA1538 →
  1. 06:00 AS296Alaska Airlines Departed Landed 14:12 −17
  2. 07:00 UA1900United Airlines Departed Landed 15:05 −9
  3. 09:55 AS293Alaska Airlines Departed Landed 18:02 −21
  4. 15:41 AS221Alaska Departed EWR est. 00:42 +43In the air · sched 23:59
  5. 21:18 AS316Alaska Est. 23:14 +116Gate D1 ·
  6. 23:17 UA1538United Airlines Est. 01:05 +108Gate B7A ·

Checked SEA board 19:22 · EWR board 22:04

SEA Seattle disrupted · +89
EWR New York busy · +16
3,855 km · ~5h 27m est.
dep bank 06:00–23:1542x weekly
Runs reliable · 2 airlines · 42x weekly · nonstop
82% on time

of the last 28 tracked SEA → EWR flights arrived within 15 minutes

Median arrival delay is −9 min. 1 of 28 tracked legs cancelled in the sample. Will a delayed flight be cancelled? →

Median arrival−9 minacross the last 27 arrivals
Flight time~5h 27mestimated from route distance
Weekly departures42x2 direct airlines on the leg
Cancelled3.6%recent route rate · 1 of 28

The week

scheduled departures · origin local time
06121824
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Alaska AirlinesUnited Airlines

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 AirlinesAS84% on time

Flights AS296 06:00 daily · AS293 09:55 daily · AS221 15:41 daily · AS316 21:18 daily

United AirlinesUA78% on time

Flights UA1900 06:30 daily · UA1538 23:15 daily

History

operated legs · board outcomes
11-14AS293arrived−21
11-14AS296arrived−17
11-14UA1900arrived−9
11-13AS221arrived+190
11-13AS293arrived−30
11-13AS296arrived−6
11-13AS316arrived+185
11-13UA1538cancelledCNX
11-13UA1900arrived−1
11-12AS221arrived+74
11-12AS293arrived+11
11-12AS296arrived−6
11-12AS316arrived−4
11-12UA1538arrived+43
11-12UA1900arrived−7
11-11AS221arrived+11
11-11AS293arrived−20
11-11AS296arrived−42
11-11AS316arrived−18
11-11UA1538arrived−31
11-11UA1900arrived−30
11-10AS221arrived−40
11-10AS293arrived−8
11-10AS296arrived−53
11-10AS316arrived−35
11-10UA1538arrived−8
11-10UA1900arrived−16
11-09AS316arrived−33

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 +89 min disrupted 🌤 overcast · ESE 9 kt Full SEA delay board →
EWRNew York +16 min busy 🌤 scattered clouds · W 11 kt Full EWR delay board →

Weather lens

Conditions are tightest at SEA and EWR: a 30% chance of a 15+ minute delay. In this weather, the more delayed of the two airports is typically about +0 min. Both figures come from the two airports' delay records in similar weather. 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 EWR 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 (EWR) route reliability, measured from operated flights on official airport boards.

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

SEA to EWR questions

Is SEA–EWR running on time right now?

Significant delay risk. The departure side at SEA is the weaker end, route health score 39/100. The airports section above carries the live status and delay window at both ends.

Morning or evening flight on SEA–EWR?

Operators schedule morning departures around 06:00 and evening departures around 21:18 from SEA. Earlier flights typically land before destination-airport delays accumulate later in the day; check the EWR delay card to confirm conditions when you'd arrive.

How long is the flight from SEA to EWR?

Great-circle distance is 3,855 km. With typical jet cruise speed plus taxi, climb and descent, expect roughly 302–360 min gate-to-gate on this route.

How often does SEA–EWR fly?

2 carriers operate this route, around 42 flights a week between them. Compare carrier days and times in the airline list above.