Narita (NRT) to Seattle (SEA)
Flight time
≈ 10h 19m
Bearing
46° NE
Narita (NRT) to Seattle (SEA) is 4,757 miles (7,655 km) as the crow flies — the great-circle baseline most distance-based mileage programs credit.
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What actually flies NRT–SEA
US DOT T-100 · filed dataIn April 2026, Japan Airlines operated the most departures, one of 2 carriers flying nonstop NRT–SEA; the Boeing 787-9 was the most common aircraft at 86% of departures; flights ran 85% full.
Departures
118
April 2026
Seats
28,726
both directions
Passengers
24,475
both directions
Load factor
85.2%
passengers ÷ seats
Who flies NRT–SEA?
Japan Airlines operated the most nonstop NRT–SEA departures in April 2026 (60), one of 2 carriers on the route.
- JL
Japan Airlines
60 departures · 11,700 seats
Share of departures50.8%87.5%
Load
- AS
Alaska Airlines
58 departures · 17,026 seats
Share of departures49.2%83.6%
Load
What plane flies NRT–SEA?
In April 2026, the Boeing 787-9 flew 86% of NRT–SEA departures — more than any other aircraft type.
- Boeing 787-9
101 departures · 86.9% load
85.6% - Airbus A330-200
17 departures · 76.8% load
14.4%
How has NRT–SEA traffic changed?
Nonstop NRT–SEA departures rose from 101 in May 2025 to 118 in April 2026.
Monthly nonstop NRT–SEA traffic, trailing 12 months through April 2026. Bars scale to the busiest month; months with no filed service show as zero.
May 2025
101 departures · 19,369 passengers
84.5%
Load
June 2025
120 departures · 24,241 passengers
85.4%
Load
July 2025
124 departures · 23,805 passengers
81.2%
Load
August 2025
124 departures · 23,881 passengers
81.5%
Load
September 2025
120 departures · 22,326 passengers
78.7%
Load
October 2025
124 departures · 25,034 passengers
85.4%
Load
November 2025
118 departures · 23,244 passengers
83.5%
Load
December 2025
122 departures · 21,882 passengers
76.1%
Load
January 2026
124 departures · 23,356 passengers
76.7%
Load
February 2026
111 departures · 21,825 passengers
79.6%
Load
March 2026
124 departures · 27,899 passengers
90.9%
Load
April 2026
118 departures · 24,475 passengers
85.2%
Load
By direction
The DOT files each direction separately — they rarely match.
NRT → SEA
93.5% full
59 departures · 13,444 passengers
SEA → NRT
76.9% full
59 departures · 11,031 passengers
Nonstop NRT–SEA traffic has been filed with the US DOT since 2025.
Source: US DOT BTS Form 41 T-100 Segment (All Carriers). Data through April 2026; filings from 2025. Public domain (US Government work). The DOT publishes roughly three months in arrears.
The airports
Narita
JP
Narita International Airport
Coordinates
35.77°N, 140.39°E
Hemisphere
N · E
Frequently asked
How far is Narita (NRT) from Seattle (SEA)?
NRT to SEA is 4,757 miles (7,655 km / 4,134 nautical miles) measured great-circle — the shortest path over the surface of the Earth.
How long is the flight from NRT to SEA?
A nonstop covers the 4,757-mile great-circle distance in roughly 10h 19m of block time, before winds. Actual schedules vary a few percent by direction and aircraft.
What plane flies NRT–SEA?
In April 2026, the Boeing 787-9 flew the largest share of departures (85.6%), followed by the Airbus A330-200 (14.4%).
What mileage do I earn flying NRT–SEA?
Distance-based programs credit off the 4,757-mile great-circle figure, then apply your fare-class earning rate. Revenue-based programs credit off the fare instead.
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