Flights Seattle → Newark
SEA → EWR
How long is the flight from Seattle to Newark?
The flight from Seattle (SEA) to Newark (EWR) takes 4h 42m on average. That is the median time recorded across 1 scheduled flight on this leg; the actual time varies by a few minutes with wind, routing and take-off queues.
Route overview
The flight route from Seattle to Newark operates with an average on-time performance rate of 80%, with flights experiencing a mean delay of 9.7 minutes. Over the past year, there have been 450 total flights on this route, utilizing various aircraft models including Boeing 737s and Airbus A320s. The destination airport in Newark, which opened in 2001, serves over 43 million passengers annually.
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 Seattle (SEA) → Newark (EWR) route is operated by American Airlines, Alaska Airlines, United Airlines. Across 1303 flights monitored in recent months, 77% arrived on time (within 15 min of schedule), with an average delay of 14 minutes. The cancellation rate is 3.38%. FlightGuard's average computed risk is 20.5/100 (medium), updated in real time from weather, ATC delays, strikes, NOTAMs, fuel and flight history. At Newark the average ATFM delay is 5.5 minutes (main cause: atfm). Departing from Seattle the average ATFM delay is 5.5 minutes.
Heading to Newark: what to expect in this direction
Flying from Seattle (SEA) to Newark (EWR) heads east for about 3,855 km, a flight time of roughly 4h 42m.
Departures from Seattle on this leg cluster in the overnight window: about 48% of SEA-EWR flights take off then.
Air-traffic congestion: departing Seattle the average ATFM delay is 5.5 min (atfm); arriving into Newark it is 5.5 min (atfm).
Across 1,303 tracked SEA-EWR flights, 77% left on time with an average delay of 14 min and a 3.4% cancellation rate.
Route facts
Flights on this route
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Airline punctuality on this route
| Airline | On-time | Average delay | Cancellations |
|---|---|---|---|
| Alaska Airlines (AS) | 85% | -1 min | 0.5% |
| United Airlines (UA) | 83% | 5 min | 1.3% |
| American Airlines (AA) | 79% | 6 min | 1.1% |
Airlines operating SEA-EWR
Airports
Frequently asked questions about SEA-EWR
The flight from Seattle (SEA) to Newark (EWR) takes 4h 42m on average. That is the median time recorded across 1 scheduled flight on this leg; the actual time varies by a few minutes with wind, routing and take-off queues.
On the Seattle (SEA) -> Newark (EWR) route, on-time performance is 77% with an average delay of 14 minutes, based on 1303 tracked flights.
The cancellation rate on Seattle-Newark is 3.38% across 1303 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 Newark, 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.
