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Delta Air Lines

Is DL166 delayed?

No delay reported yet. DL166 is scheduled to leave Tokyo at 16:25 on Nov 15 and reach Seattle at 07:43 (as of Nov 14, 15:34 UTC).

Often late: arrived more than 15 min after schedule on 18 of the last 28 flights.

No live update yet

Showing the published schedule until live times come in.

Update time unavailable

Departure

Tokyo

HND

Scheduled

Nov 15

Arrival

Seattle

SEA

Scheduled

Nov 15

Times shown in airport local time

Service date: · Scheduled departure date (Asia/Tokyo)

Flight details

Departure · UTC

Scheduled
Estimated
Not available
Actual
Not available

Arrival · UTC

Scheduled
Estimated
Not available
Actual
Not available

Route overview: Tokyo → SeattleHNDSEA
Tokyo → Seattle

Recent arrivals

Dates below are arrival dates in the destination airport’s time zone. The detailed history uses service dates.

  • Tokyo → Seattle

    17 min late

  • Tokyo → Seattle

    20 min late

  • Tokyo → Seattle

    33 min late

  • Tokyo → Seattle

    On schedule (5 min behind)

  • Tokyo → Seattle

    33 min early

Is DL166 usually late?

Period: Oct 15, 2026 – Nov 14, 2026

Arrivals tracked
28
On time
36%
of 28 arrivals
Late
64%
of 28 arrivals
Cancelled
3%
of 30 flights
Median arrival delay
26 min
9 in 10 arrived within
83 min

On time means arriving no more than 15 minutes after the scheduled time; late means more than 15 minutes after. Cancelled and diverted flights are counted apart from arrivals. Compares scheduled and actual arrival times. Cancelled and diverted flights are left out. Some flights may be missing.

How flight status works

At the airports today

Seattle (SEA) departures

Left more than 15 min late
23 of 42
Cancelled today
37

Related flights

Other flights HND → SEA

Return flights SEA → HND

All Delta Air Lines flights

Flight history and details
DL166 Recent arrival history
Service dateDepartureArrivalActualArrival delay (minutes)
Nov 13, 2026ArrivedTokyoSeattle17
Nov 12, 2026ArrivedTokyoSeattle20
Nov 11, 2026ArrivedTokyoSeattle33
Nov 10, 2026ArrivedTokyoSeattle5
Nov 9, 2026ArrivedTokyoSeattle-33
Nov 8, 2026ArrivedTokyoSeattle-28
Nov 7, 2026ArrivedTokyoSeattle-11
Nov 6, 2026ArrivedTokyoSeattle9
Nov 5, 2026ArrivedTokyoSeattle82
Nov 4, 2026ArrivedTokyoSeattle-30
Nov 3, 2026ArrivedTokyoSeattle-23
Nov 2, 2026ArrivedTokyoSeattle2
Nov 1, 2026ArrivedTokyoSeattle44
Oct 31, 2026CancelledTokyoSeattleNot availableNot available
Oct 30, 2026ArrivedTokyoSeattle30
Oct 29, 2026ArrivedTokyoSeattle70
Oct 28, 2026ArrivedTokyoSeattle8
Oct 27, 2026ArrivedTokyoSeattle23
Oct 26, 2026ArrivedTokyoSeattle23
Oct 25, 2026ArrivedTokyoSeattle31
Oct 24, 2026ArrivedTokyoSeattle106
Oct 23, 2026ArrivedTokyoSeattle29
Oct 22, 2026ArrivedTokyoSeattle53
Oct 21, 2026ArrivedTokyoSeattle54
Oct 20, 2026ArrivedTokyoSeattle163
Oct 19, 2026ArrivedTokyoSeattle84
Oct 18, 2026ArrivedTokyoSeattle39
Oct 17, 2026ArrivedTokyoSeattle38
Oct 16, 2026ArrivedTokyoSeattle7
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