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Tokyo Haneda→Seattle–Tacoma HND→SEA

HND→SEASEA→HND
71.2% On-time departure 86.3% On-time arrival

Cancellation: 1.9% / Avg delay when late: 71min

Flight time & service

Flight time (scheduled)
9h 10mActual average 8h 53m
Flights per day
2
Airlines serving
2

Flight time is the median scheduled gate-to-gate (block) time; the actual average excludes cancelled and diverted flights

By carrier

On-time departureAvg delay
when late
n
DL 1
76%+141minn=25
NH 2
66.7%+23minn=27

Avg delay when late counts only flights that departed more than 15 minutes behind schedule

By day of week

On-time departureAvg delay
when late
n
Mon
57.1%+28minn=7
Tue
83.3%+150minn=6
Wed
62.5%+128minn=8
Thu
28.6%+55minn=7
Fri
75%+69minn=8
Sat
87.5%+28minn=8
Sun
100%—n=8

Avg delay when late counts only flights that departed more than 15 minutes behind schedule / Faded rows are indicative (n<10); below n=5 no rate is shown

By departure time

On-time departureAvg delay
when late
n
15:00-18:00
76%+141minn=25
21:00-24:00
66.7%+23minn=27

Avg delay when late counts only flights that departed more than 15 minutes behind schedule

Monthly trend

On-time departureAvg delay
when late
n
2026-10
66.7%+20minn=6
2026-09
76.3%+78minn=59
2026-08
71.4%+47minn=63
2026-07
69.2%+31minn=39

Avg delay when late counts only flights that departed more than 15 minutes behind schedule / Faded rows are indicative (n<10); below n=5 no rate is shown

Flights on this route 2

See the full aircraft rotation history

Ship charts and fleet rotation show the last 3 days to everyone. Standard members (¥280/month) get the last 27 days for aircraft of Japanese airlines. The on-time data itself is free for all.

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Updated: / Last 28 days

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