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Seattle–Tacoma→Tokyo Haneda SEA→HND

SEA→HNDHND→SEA
71.7% On-time departure 56.6% On-time arrival

Cancellation: 0% / Avg delay when late: 112min

Flight time & service

Flight time (scheduled)
10h 30mActual average 10h 36m
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
74.1%+131minn=27
NH 2
69.2%+95minn=26

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%+58minn=7
Tue
83.3%+247minn=6
Wed
50%+160minn=8
Thu
62.5%+155minn=8
Fri
87.5%+71minn=8
Sat
62.5%+27minn=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
9:00-12:00
76%+144minn=25
15:00-18:00
69.2%+95minn=26
21:00-24:00—Collecting data+57minn=2

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%+114minn=6
2026-09
73.8%+102minn=61
2026-08
73.4%+61minn=64
2026-07
68.4%+79minn=38

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

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Updated: / Last 28 days

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