Alaska Airlines
flight
AS 377:
Atlanta - Seattle-Tacoma
Atlanta - Seattle-Tacoma
Ad mobi flat here (320x100px) 6074960173 M FlightWNum Top Flat
FLIGHT SCHEDULE
Direct Flights:
Alaska Airlines AS377
Effective from 2026-06-10
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 5:33, non-stop
Boeing 737 (73J)
Boeing 737 (73J)
Direct Flights:
Alaska Airlines AS377
Valid until 2026-01-04
Mon
Tue
-
-
Wed
-
-
Thu
-
-
Fri
Sat
-
-
Sun
Duration: 5:37, non-stop
Boeing 737 MAX 9 (7M9)
Boeing 737 MAX 9 (7M9)
Direct Flights:
Alaska Airlines AS377
Valid until 2026-01-06
Mon
Tue
Wed
Thu
Fri
-
-
Sat
Sun
-
-
Duration: 5:37, non-stop
Boeing 737 (73J)
Boeing 737 (73J)
Direct Flights:
Alaska Airlines AS377
Effective 2026-02-12 through 2026-02-18
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 5:45, non-stop
Boeing 737 MAX 9 (7M9)
Boeing 737 MAX 9 (7M9)
Direct Flights:
Alaska Airlines AS377
Effective 2026-02-19 through 2026-03-05
Mon
-
-
Tue
-
-
Wed
-
-
Thu
Fri
-
-
Sat
-
-
Sun
-
-
Duration: 5:45, non-stop
Boeing 737 MAX 8 (7M8)
Boeing 737 MAX 8 (7M8)
Direct Flights:
Alaska Airlines AS377
Effective 2026-02-20 through 2026-03-11
Mon
Tue
Wed
Thu
-
-
Fri
Sat
Sun
Duration: 5:45, non-stop
Boeing 737 MAX 9 (7M9)
Boeing 737 MAX 9 (7M9)
Direct Flights:
Alaska Airlines AS377
Effective 2026-03-12 through 2026-03-17
Mon
Tue
Wed
-
-
Thu
Fri
Sat
Sun
Duration: 5:45, non-stop
Boeing 737 MAX 9 (7M9)
Boeing 737 MAX 9 (7M9)
Direct Flights:
Alaska Airlines AS377
Effective 2026-01-07 through 2026-01-11
Mon
-
-
Tue
-
-
Wed
Thu
Fri
-
-
Sat
-
-
Sun
Duration: 5:42, non-stop
Boeing 737 (73J)
Boeing 737 (73J)
Direct Flights:
Alaska Airlines AS377
Effective 2026-01-09 through 2026-01-20
Mon
-
-
Tue
Wed
Thu
-
-
Fri
Sat
Sun
-
-
Duration: 5:42, non-stop
Boeing 737 MAX 9 (7M9)
Boeing 737 MAX 9 (7M9)
Direct Flights:
Alaska Airlines AS377
Effective 2026-01-12 through 2026-01-19
Mon
Tue
-
-
Wed
-
-
Thu
-
-
Fri
-
-
Sat
-
-
Sun
-
-
Duration: 5:42, non-stop
Boeing 737 MAX 8 (7M8)
Boeing 737 MAX 8 (7M8)
Direct Flights:
Alaska Airlines AS377
Effective 2026-01-15 through 2026-02-05
Mon
-
-
Tue
-
-
Wed
-
-
Thu
Fri
-
-
Sat
-
-
Sun
-
-
Duration: 5:42, non-stop
Boeing 737-800 (73H)
Boeing 737-800 (73H)
Direct Flights:
Alaska Airlines AS377
Effective 2026-01-18 through 2026-01-25
Mon
-
-
Tue
-
-
Wed
Thu
-
-
Fri
-
-
Sat
-
-
Sun
Duration: 5:42, non-stop
Boeing 737 (73J)
Boeing 737 (73J)
Direct Flights:
Alaska Airlines AS377
Effective 2026-01-23 through 2026-01-31
Mon
Tue
Wed
Thu
-
-
Fri
Sat
Sun
-
-
Duration: 5:42, non-stop
Boeing 737 MAX 9 (7M9)
Boeing 737 MAX 9 (7M9)
Direct Flights:
Alaska Airlines AS377
Effective 2026-02-01 through 2026-02-11
Mon
Tue
-
-
Wed
Thu
-
-
Fri
-
-
Sat
-
-
Sun
Duration: 5:42, non-stop
Boeing 737 (73J)
Boeing 737 (73J)
Direct Flights:
Alaska Airlines AS377
Effective 2026-02-03 through 2026-02-10
Mon
-
-
Tue
Wed
-
-
Thu
-
-
Fri
Sat
Sun
-
-
Duration: 5:42, non-stop
Boeing 737 MAX 9 (7M9)
Boeing 737 MAX 9 (7M9)
Direct Flights:
Alaska Airlines AS377
Operates only on 2026-03-18
Mon
-
-
Tue
-
-
Wed
Thu
-
-
Fri
-
-
Sat
-
-
Sun
-
-
Duration: 5:27, non-stop
Boeing 737 (73J)
Boeing 737 (73J)
Direct Flights:
Alaska Airlines AS377
Effective 2026-03-19 through 2026-05-12
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 5:36, non-stop
Boeing 737 (73J)
Boeing 737 (73J)
Direct Flights:
Alaska Airlines AS377
Effective 2026-05-13 through 2026-06-09
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 5:26, non-stop
Boeing 737 (73J)
Boeing 737 (73J)
Ad mobi box here (300x250px) 8888825773 M FlightWNum Bottom Box
Parallax here ATL-SEA
- AS 377 is a domestic flight departing from the Atlanta airport (ATL) and arriving at Seattle-Tacoma airport (SEA).
- The flight distance is 2177 miles, or 3503 km.
- The timezone of the departure airport is UTC-5 , and the timezone of the arrival airport is UTC-8 . 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 5:26 and 5:45.