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 May 2026, Delta Air Lines operated the most departures, one of 3 carriers flying nonstop HND–SEA; the Airbus A350-900 was the most common aircraft at 50% of departures; flights ran 87% full.
Departures
125
May 2026
Seats
32,418
both directions
Passengers
28,247
both directions
Load factor
87.1%
RPM ÷ ASM
Who flies HND–SEA?
Delta Air Lines operated the most nonstop HND–SEA departures in May 2026 (62), one of 3 carriers on the route.
- DL
62 departures · 17,411 seats
Share of departures49.6%89.7%
Load
- NH
All Nippon Airways
62 departures · 14,818 seats
Share of departures49.6%85.2%
Load
- 5Y
1 departures · 189 seats
Share of departures0.8%1.6%
Load
What plane flies HND–SEA?
In May 2026, the Airbus A350-900 flew 50% of HND–SEA departures — more than any other aircraft type.
- Airbus A350-900
62 departures · 89.7% load
49.6% - Boeing 787-9
62 departures · 85.2% load
49.6% - Boeing 747-400
1 departures · 1.6% load
0.8%
How has HND–SEA traffic changed?
Nonstop HND–SEA departures rose from 120 in June 2025 to 125 in May 2026.
Monthly nonstop HND–SEA traffic, trailing 12 months through May 2026. Bars scale to the busiest month; months with no filed service show as zero.
June 2025
120 departures · 28,452 passengers
87.4%
Load
July 2025
120 departures · 27,683 passengers
85.3%
Load
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
By direction
Each direction is filed separately — they rarely match.
HND → SEA
84.3% full
63 departures · 13,828 passengers
SEA → HND
90.0% full
62 departures · 14,419 passengers
Nonstop HND–SEA traffic has been filed since 2025.
Source: US DOT BTS Form 41 T-100 Segment (All Carriers). Data through May 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 May 2026, the Airbus A350-900 flew the largest share of departures (49.6%), followed by the Boeing 787-9 (49.6%).
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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