Live tracking not available yet
DL166 has a schedule in our database but isn't on the airport board right now. Live position data typically appears within a few hours of departure.
Flight Status
Scheduled
Route Info
HND
Tokyo Haneda International Airport
Tokyo
T3 Gate 135 Scheduled 8:37 PM
Actual 8:53 PM
SEA
Seattle–Tacoma International Airport
Seattle
Gate A10 Scheduled 1:27 PM
Actual 1:26 PM
Baggage claim 21
7h 50m flight time
Daily
Recent Flights
Last 3 observedMar 18
Wed
HND
SEA
Dep 20:37:00
(actual 20:53:00)
359
In Air
Mar 12
Thu
HND
SEA
Dep 16:50:00
(actual 17:10:00)
359
Boarding
Mar 10
Tue
HND
SEA
Dep 16:50:00
(actual 17:15:00)
359
Boarding
Schedule
Operates
Daily
Departure
8:37 PM
Arrival
1:27 PM
Duration
7h 50m
Aircraft
Airbus A350-900
Terminal
T3
Gate
135
A10
Actual
20:53
13:26
Baggage
Carousel 21
Operating Days
Mo
Tu
We
Th
Fr
Sa
Su
Upcoming
Thu, Mar 19
Fri, Mar 20
Sat, Mar 21
Sun, Mar 22
Mon, Mar 23
Tue, Mar 24
Wed, Mar 25
Schedule valid
Mar 17 —
Jun 16, 2026