Alaska Airlines
flight
AS 8423:
Seattle-Tacoma - Tokyo Narita
Seattle-Tacoma - Tokyo Narita
FLIGHT SCHEDULE
Direct Codeshare Flights:
Alaska Airlines AS8423
Effective 2026-01-07 through 2026-02-11
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Hawaiian Airlines.
(HA 823)
Duration: 10:40, non-stop Boeing 787 (787)
The flight arrives 1 day after departure.
Direct Codeshare Flights:
Alaska Airlines AS8423
Valid until 2026-01-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Hawaiian Airlines.
(HA 823)
Duration: 10:30, non-stop Airbus A330 (330)
The flight arrives 1 day after departure.
Direct Codeshare Flights:
Alaska Airlines AS8423
Operates only on 2026-01-06
Mon
-
-
Tue
Wed
-
-
Thu
-
-
Fri
-
-
Sat
-
-
Sun
-
-
Codeshare flight, operated by Hawaiian Airlines.
(HA 823)
Duration: 10:30, non-stop Boeing 787 (787)
The flight arrives 1 day after departure.
Direct Codeshare Flights:
Alaska Airlines AS8423
Effective 2026-02-12 through 2026-03-07
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Hawaiian Airlines.
(HA 823)
Duration: 10:10, non-stop Boeing 787 (787)
The flight arrives 1 day after departure.
Direct Codeshare Flights:
Alaska Airlines AS8423
Effective 2026-03-18 through 2026-04-20
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Hawaiian Airlines.
(HA 823)
Duration: 10:30, non-stop Boeing 787 (787)
The flight arrives 1 day after departure.
Direct Codeshare Flights:
Alaska Airlines AS8423
Effective 2026-03-08 through 2026-03-17
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Hawaiian Airlines.
(HA 823)
Duration: 10:10, non-stop Boeing 787 (787)
The flight arrives 1 day after departure.
- AS 8423 is an international flight departing from Seattle-Tacoma airport, United States (SEA) and arriving at Tokyo Narita airport, Japan (NRT).
- The flight distance is 4754 miles, or 7650 km.
- The timezone of the departure airport is UTC-8 , and the timezone of the arrival airport is UTC+9 . Current time at the point of departure is (loading...), and (loading...) at the point of arrival. There is a (loading...) hour time difference between the airports.
- For direct flights, the flight time varies between 10:10 and 10:40.