Tokyo (HND) to Seattle (SEA)
Flight time
≈ 10h 23m
Bearing
46° NE
Tokyo (HND) to Seattle (SEA) is 4,792 miles (7,711 km) as the crow flies — the great-circle baseline most distance-based mileage programs credit.
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What actually flies HND–SEA
Filed traffic dataIn July 2026, Delta Air Lines operated the most departures, one of 2 carriers flying nonstop HND–SEA; the Airbus A350-900 was the most common aircraft at 51% of departures; flights ran 85% full.
Departures
126
July 2026
Seats
32,436
both directions
Passengers
27,709
both directions
Load factor
85.4%
RPM ÷ ASM
Who flies HND–SEA?
Delta Air Lines operated the most nonstop HND–SEA departures in July 2026 (64), one of 2 carriers on the route.
- DL
64 departures · 17,618 seats
Share of departures50.8%86.3%
Load
- NH
All Nippon Airways
62 departures · 14,818 seats
Share of departures49.2%84.3%
Load
What plane flies HND–SEA?
In July 2026, the Airbus A350-900 flew 51% of HND–SEA departures — more than any other aircraft type.
- Airbus A350-900
64 departures · 86.3% load
50.8% - Boeing 787-9
62 departures · 84.3% load
49.2%
How has HND–SEA traffic changed?
Nonstop HND–SEA departures rose from 123 in August 2025 to 126 in July 2026.
Monthly nonstop HND–SEA traffic, trailing 12 months through July 2026. Bars scale to the busiest month; months with no filed service show as zero.
August 2025
123 departures · 29,145 passengers
88.0%
Load
September 2025
120 departures · 27,732 passengers
85.8%
Load
October 2025
121 departures · 28,301 passengers
87.4%
Load
November 2025
121 departures · 26,981 passengers
83.3%
Load
December 2025
125 departures · 26,118 passengers
78.2%
Load
January 2026
127 departures · 26,044 passengers
76.1%
Load
February 2026
112 departures · 24,626 passengers
81.1%
Load
March 2026
124 departures · 29,619 passengers
89.5%
Load
April 2026
121 departures · 28,483 passengers
89.5%
Load
May 2026
125 departures · 28,247 passengers
87.1%
Load
June 2026
118 departures · 26,050 passengers
85.8%
Load
July 2026
126 departures · 27,709 passengers
85.4%
Load
By direction
Each direction is filed separately — they rarely match.
HND → SEA
88.0% full
64 departures · 14,531 passengers
SEA → HND
82.7% full
62 departures · 13,178 passengers
Nonstop HND–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
Tokyo
JP
Tokyo Haneda International Airport
Coordinates
35.55°N, 139.79°E
Hemisphere
N · E
Frequently asked
How far is Tokyo (HND) from Seattle (SEA)?
HND to SEA is 4,792 miles (7,711 km / 4,164 nautical miles) measured great-circle — the shortest path over the surface of the Earth.
How long is the flight from HND to SEA?
A nonstop covers the 4,792-mile great-circle distance in roughly 10h 23m of block time, before winds. Actual schedules vary a few percent by direction and aircraft.
What plane flies HND–SEA?
In July 2026, the Airbus A350-900 flew the largest share of departures (50.8%), followed by the Boeing 787-9 (49.2%).
What mileage do I earn flying HND–SEA?
Distance-based programs credit off the 4,792-mile great-circle figure, then apply your fare-class earning rate. Revenue-based programs credit off the fare instead.
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