HND → SEATokyo to Seattle

live

Direct flights from Tokyo (HND) to Seattle (SEA): 14 nonstop departures observed each week across 2 airlines. 88% of the last 8 operated flights arrived within 15 minutes of schedule. The median arrival is on schedule. No cancellations were recorded across the 8 tracked flights. The nonstop covers 7,712 km, an estimated 10 hours 23 minutes in the air. Measured by Pro Flight Search from live flight boards at Tokyo and Seattle. Updated 22 September 2026 at 05:01 UTC.

HND Tokyo busy · +17
SEA Seattle smooth · +13
7,712 km · ~10h 23m est.
dep bank 16:20–21:1514x weekly
Runs reliable · 2 airlines · 14x weekly · nonstop
88% on time

of the last 8 operated HND → SEA flights arrived within 15 minutes

Median arrival delay is +1 min. 0 of 8 tracked legs cancelled in the sample. Will a delayed flight be cancelled? →

Median arrival+1 minacross the last 8 operated legs
Flight time~10h 23mestimated from route distance
Weekly departures14x2 direct airlines on the leg

The week

scheduled departures · origin local time
06121824
Mon
Tue
Wed
Thu
Fri
Sat
Sun
All Nippon AirwaysDelta Air Lines

Each mark is a scheduled departure at its origin-local time, observed operating in the last 7 days. Today is highlighted.

Who flies it

observed on the boards · 7 days
All Nippon AirwaysNH

Flights NH118 21:15 daily

Delta Air LinesDL

Flights DL166 16:20 daily

History

operated legs · board outcomes
09-21DL166departed−2
09-21NH118departed+42
09-20DL166departed+0
09-20NH118departed+15
09-19DL166departed−7
09-19NH118departed+1
09-18DL166departed−3
09-18NH118departed+2

Actual board outcomes rather than schedules, paired departure and arrival per flight and day.

Full board history, day by day →

Airports right now

live boards
HNDTokyo +17 min busy 🌤 mostly cloudy · NE 4 kt Full HND delay board →
SEASeattle +13 min smooth 🌤 scattered clouds · SW 3 kt Full SEA delay board →

Weather lens

Current conditions put the pressure at HND: 41% odds of a 15+ minute delay and around +9 min expected when it bites, measured from this route's own weather-matched delay history. See live delays → · Weather risk by airport →

How the Tokyo to Seattle route actually runs

Pro Flight Search records official board updates for nonstop HND to SEA flights through the day: schedules, estimates, gate pushes and actual departures. The verdict above comes from operated flights, so it reflects what this route does rather than what the timetable promises.

Planning around a delay? Live airport delays · Weather delay risk map · Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure

Cite this data

Journalists, bloggers, and researchers may cite this page with attribution and a link to Pro Flight Search.

Suggested citation

Pro Flight Search — Tokyo (HND) to Seattle (SEA) route reliability, measured from operated flights on official airport boards.

Canonical URL
https://proflightsearch.com/search-flights/HND-SEA
How we measure this →

HND to SEA questions

Is HND–SEA running on time right now?

Mostly on schedule. The departure side at HND is the weaker end, route health score 80/100. The airports section above carries the live status and delay window at both ends.

Morning or evening flight on HND–SEA?

Operators schedule evening departures around 21:15 from HND. Earlier flights typically land before destination-airport delays accumulate later in the day; check the SEA delay card to confirm conditions when you'd arrive.

How long is the flight from HND to SEA?

Great-circle distance is 7,712 km. With typical jet cruise speed plus taxi, climb and descent, expect roughly 574–691 min gate-to-gate on this route.

How often does HND–SEA fly?

2 carriers operate this route, around 14 flights a week between them. Compare carrier days and times in the airline list above.