Newark (EWR) to Seattle (SEA)
Flight time
≈ 5h 35m
Bearing
298° NW
Newark (EWR) to Seattle (SEA) is 2,395 miles (3,855 km) as the crow flies — the great-circle baseline most distance-based mileage programs credit.
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What actually flies EWR–SEA
Filed traffic dataIn July 2026, Alaska Airlines operated the most departures, one of 2 carriers flying nonstop EWR–SEA; the Boeing 737 MAX 9 was the most common aircraft at 44% of departures; flights ran 94% full.
Departures
464
July 2026
Seats
79,369
both directions
Passengers
74,431
both directions
Load factor
93.8%
RPM ÷ ASM
Who flies EWR–SEA?
Alaska Airlines operated the most nonstop EWR–SEA departures in July 2026 (234), one of 2 carriers on the route.
- AS
234 departures · 40,607 seats
Share of departures50.4%95.5%
Load
- UA
230 departures · 38,762 seats
Share of departures49.6%92.0%
Load
What plane flies EWR–SEA?
In July 2026, the Boeing 737 MAX 9 flew 44% of EWR–SEA departures — more than any other aircraft type.
- Boeing 737 MAX 9
204 departures · 93.6% load
44.0% - Boeing 737-900ER
103 departures · 95.0% load
22.2% - Boeing 737 MAX 8
72 departures · 94.0% load
15.5% - Boeing 737-800
56 departures · 95.4% load
12.1% - Airbus A319
18 departures · 91.5% load
3.9% - Boeing 737-700
11 departures · 74.0% load
2.4%
How has EWR–SEA traffic changed?
Nonstop EWR–SEA departures rose from 454 in August 2025 to 464 in July 2026.
Monthly nonstop EWR–SEA traffic, trailing 12 months through July 2026. Bars scale to the busiest month; months with no filed service show as zero.
August 2025
454 departures · 75,231 passengers
95.0%
Load
September 2025
453 departures · 68,218 passengers
85.5%
Load
October 2025
408 departures · 62,185 passengers
85.7%
Load
November 2025
322 departures · 48,075 passengers
85.3%
Load
December 2025
353 departures · 56,187 passengers
90.3%
Load
January 2026
227 departures · 35,460 passengers
90.4%
Load
February 2026
190 departures · 28,283 passengers
85.4%
Load
March 2026
328 departures · 49,086 passengers
86.1%
Load
April 2026
360 departures · 55,238 passengers
86.8%
Load
May 2026
425 departures · 65,977 passengers
89.7%
Load
June 2026
445 departures · 68,979 passengers
91.1%
Load
July 2026
464 departures · 74,431 passengers
93.8%
Load
By direction
Each direction is filed separately — they rarely match.
EWR → SEA
93.9% full
235 departures · 37,770 passengers
SEA → EWR
93.6% full
229 departures · 36,661 passengers
Nonstop EWR–SEA traffic has been filed since 2025.
Source: US DOT BTS Form 41 T-100 Segment (All Carriers). Data through July 2026; filings from 2025. Public domain (US Government work).
The airports
Frequently asked
How far is Newark (EWR) from Seattle (SEA)?
EWR to SEA is 2,395 miles (3,855 km / 2,082 nautical miles) measured great-circle — the shortest path over the surface of the Earth.
How long is the flight from EWR to SEA?
A nonstop covers the 2,395-mile great-circle distance in roughly 5h 35m of block time, before winds. Actual schedules vary a few percent by direction and aircraft.
What plane flies EWR–SEA?
In July 2026, the Boeing 737 MAX 9 flew the largest share of departures (44.0%), followed by the Boeing 737-900ER (22.2%).
What mileage do I earn flying EWR–SEA?
Distance-based programs credit off the 2,395-mile great-circle figure, then apply your fare-class earning rate. Revenue-based programs credit off the fare instead.
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