Flights Newark → Seattle
EWR → SEA
Route overview
The flight route from Newark to Seattle operates with an average on-time performance of 84%, with flights typically experiencing a mean delay of 6.8 minutes. The route sees frequent service, with 449 total flights recorded and utilizes various aircraft models including Boeing 737, Boeing 737-900, Airbus A320, Airbus A319, and Boeing 737-800.
Your rights on this US flight (DOT)
US flights have no statutory cash compensation for delays. Under the US DOT rules, if your flight is cancelled or significantly changed and you decline rebooking, you're owed an automatic refund of the unused ticket. The tarmac-delay limit is 3 hours (domestic) / 4 hours (international). Amenities for controllable delays depend on each airline's contract of carriage.
US flight refund rules & checker →General information, not legal advice.
The Newark (EWR) → Seattle (SEA) route is operated by American Airlines, Alaska Airlines, United Airlines. Across 579 flights monitored in recent months, 82% arrived on time (within 15 min of schedule), with an average delay of 9 minutes. The cancellation rate is 5.01%. FlightGuard's average computed risk is 18.1/100 (medium), updated in real time from weather, ATC delays, strikes, NOTAMs, fuel and flight history. At Seattle the average ATFM delay is 2.0 minutes (main cause: atfm). Departing from Newark the average ATFM delay is 2.0 minutes.
Heading to Seattle: what to expect in this direction
Flying from Newark (EWR) to Seattle (SEA) heads north-west for about 3,855 km, a flight time of roughly 5h 14m.
Departures from Newark on this leg cluster in the midday window: about 55% of EWR-SEA flights take off then.
Air-traffic congestion: departing Newark the average ATFM delay is 2.0 min (atfm); arriving into Seattle it is 2.0 min (atfm).
Across 579 tracked EWR-SEA flights, 82% left on time with an average delay of 9 min and a 5.0% cancellation rate.
Route facts
Flights on this route
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Airline punctuality on this route
| Airline | On-time | Average delay | Cancellations |
|---|---|---|---|
| United Airlines (UA) | 74% | 10 min | 6.9% |
| American Airlines (AA) | 74% | 16 min | 3.0% |
| Alaska Airlines (AS) | 67% | 10 min | 11.9% |
Airlines operating EWR-SEA
Airports
Frequently asked questions about EWR-SEA
On the Newark (EWR) -> Seattle (SEA) route, on-time performance is 82% with an average delay of 9 minutes, based on 579 tracked flights.
The cancellation rate on Newark-Seattle is 5.01% across 579 monitored flights.
The route is operated by 3 airlines: American Airlines, Alaska Airlines, United Airlines.
Enter your flight number on FlightGuard for a real-time analysis based on 9 factors: weather at Seattle, ATC delays, strikes, NOTAMs, fuel, airline punctuality and recent trends.
US flights have no statutory cash compensation for delays. Under US DOT rules, if the airline cancels or significantly changes your flight and you decline rebooking, you're owed an automatic refund of the unused ticket. The tarmac-delay limit is 3 hours (domestic) / 4 hours (international). Meals or hotels for controllable delays depend on each airline's contract of carriage.
