Alaska Airlines flight AS 143: Seattle-Tacoma - Anchorage

Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Daily 18:00 Anchorage (ANC) S 22:28 Seattle-Tacoma (SEA)
AS 143 Non-stop Boeing 737 (73J) 3:28 Effective from 2025-04-22
Mon-Sat 20:43 Seattle-Tacoma (SEA) 23:26 Anchorage (ANC) S
AS 143 Non-stop Boeing 737 MAX 9 (7M9) 3:43 Valid until 2024-09-03
Fri,Sun 20:43 Seattle-Tacoma (SEA) 23:26 Anchorage (ANC) S
AS 143 Non-stop Boeing 737-700 (73G) 3:43 Valid until 2024-09-06
Mon,Wed,Sun 20:43 Seattle-Tacoma (SEA) 23:26 Anchorage (ANC) S
AS 143 Non-stop Boeing 737 (73J) 3:43 Effective 2024-09-04 through 2024-09-09
Thu 20:43 Seattle-Tacoma (SEA) 23:26 Anchorage (ANC) S
AS 143 Non-stop Boeing 737-800 (73H) 3:43 Operates only on 2024-09-05
Tue,Wed,Sun 20:43 Seattle-Tacoma (SEA) 23:26 Anchorage (ANC) S
AS 143 Non-stop Boeing 737 MAX 9 (7M9) 3:43 Effective 2024-09-10 through 2024-09-17
Mon,Wed,Thu 20:43 Seattle-Tacoma (SEA) 23:26 Anchorage (ANC) S
AS 143 Non-stop Boeing 737 (73J) 3:43 Effective 2024-09-12 through 2024-09-19
Fri 20:43 Seattle-Tacoma (SEA) 23:26 Anchorage (ANC) S
AS 143 Non-stop Boeing 737-700 (73G) 3:43 Operates only on 2024-09-13
Mon,Fri,Sun 20:43 Seattle-Tacoma (SEA) 23:26 Anchorage (ANC) S
AS 143 Non-stop Boeing 737 (73J) 3:43 Effective 2024-09-20 through 2024-09-23
Tue 20:43 Seattle-Tacoma (SEA) 23:26 Anchorage (ANC) S
AS 143 Non-stop Boeing 737-900 (739) 3:43 Operates only on 2024-09-24
Wed,Fri 20:43 Seattle-Tacoma (SEA) 23:26 Anchorage (ANC) S
AS 143 Non-stop Boeing 737 MAX 9 (7M9) 3:43 Effective 2024-09-25 through 2024-09-27
Thu 20:43 Seattle-Tacoma (SEA) 23:25 Anchorage (ANC) S
AS 143 Non-stop Boeing 737 (73J) 3:42 Operates only on 2024-09-26
Mon,Sun 20:43 Seattle-Tacoma (SEA) 23:26 Anchorage (ANC) S
AS 143 Non-stop Boeing 737 (73J) 3:43 Effective 2024-09-29 through 2024-09-30
Thu,Fri 20:55 Seattle-Tacoma (SEA) 23:42 Anchorage (ANC) S
AS 143 Non-stop Boeing 737 MAX 9 (7M9) 3:47 Effective 2024-10-03 through 2024-10-04
Thu,Sun 20:55 Seattle-Tacoma (SEA) 23:42 Anchorage (ANC) S
AS 143 Non-stop Boeing 737-900 (739) 3:47 Effective 2024-10-06 through 2024-10-13
Mon 20:55 Seattle-Tacoma (SEA) 23:42 Anchorage (ANC) S
AS 143 Non-stop Boeing 737-700 (73G) 3:47 Effective 2024-10-07 through 2024-10-14
Fri 20:55 Seattle-Tacoma (SEA) 23:42 Anchorage (ANC) S
AS 143 Non-stop Boeing 737 MAX 9 (7M9) 3:47 Effective 2024-10-11 through 2024-10-18
Thu 20:55 Seattle-Tacoma (SEA) 23:42 Anchorage (ANC) S
AS 143 Non-stop Boeing 737-800 (73H) 3:47 Operates only on 2024-10-17
Mon,Sun 20:55 Seattle-Tacoma (SEA) 23:42 Anchorage (ANC) S
AS 143 Non-stop Boeing 737-900 (739) 3:47 Effective 2024-10-20 through 2024-10-21
Thu,Fri 20:55 Seattle-Tacoma (SEA) 23:42 Anchorage (ANC) S
AS 143 Non-stop Boeing 737 MAX 9 (7M9) 3:47 Effective 2024-10-24 through 2024-10-25
Sat 21:45 Seattle-Tacoma (SEA) 00:33 Anchorage (ANC) S
AS 143 Non-stop Boeing 737-900 (739) 3:48 Effective 2024-11-23 through 2024-11-30
The flight arrives 1 day after departure.
Daily 21:55 Seattle-Tacoma (SEA) 00:41 Anchorage (ANC) S
AS 143 Non-stop Boeing 737-700 (73G) 3:46 Effective 2024-10-27 through 2024-11-21
The flight arrives 1 day after departure.
Fri 21:55 Seattle-Tacoma (SEA) 00:43 Anchorage (ANC) S
AS 143 Non-stop Boeing 737-700 (73G) 3:48 Operates only on 2024-11-22
The flight arrives 1 day after departure.
Sun 21:55 Seattle-Tacoma (SEA) 00:43 Anchorage (ANC) S
AS 143 Non-stop Boeing 737 MAX 9 (7M9) 3:48 Operates only on 2024-11-24
The flight arrives 1 day after departure.
Mon,Fri 21:55 Seattle-Tacoma (SEA) 00:43 Anchorage (ANC) S
AS 143 Non-stop Boeing 737-800 (73H) 3:48 Effective 2024-11-25 through 2024-12-02
The flight arrives 1 day after departure.
Tue 21:55 Seattle-Tacoma (SEA) 00:43 Anchorage (ANC) S
AS 143 Non-stop Boeing 737 MAX 8 (7M8) 3:48 Operates only on 2024-11-26
The flight arrives 1 day after departure.
Wed 21:55 Seattle-Tacoma (SEA) 00:43 Anchorage (ANC) S
AS 143 Non-stop Boeing 737-900 (739) 3:48 Operates only on 2024-11-27
The flight arrives 1 day after departure.
Sun 21:55 Seattle-Tacoma (SEA) 00:43 Anchorage (ANC) S
AS 143 Non-stop Boeing 737-700 (73G) 3:48 Operates only on 2024-12-01
The flight arrives 1 day after departure.
Thu 21:55 Seattle-Tacoma (SEA) 00:44 Anchorage (ANC) S
AS 143 Non-stop Boeing 737-700 (73G) 3:49 Effective 2024-12-05 through 2024-12-12
The flight arrives 1 day after departure.
Fri 21:55 Seattle-Tacoma (SEA) 00:44 Anchorage (ANC) S
AS 143 Non-stop Boeing 737-900 (739) 3:49 Effective 2024-12-06 through 2024-12-13
The flight arrives 1 day after departure.
Sun 21:55 Seattle-Tacoma (SEA) 00:44 Anchorage (ANC) S
AS 143 Non-stop Boeing 737 MAX 9 (7M9) 3:49 Effective 2024-12-08 through 2024-12-15
The flight arrives 1 day after departure.
Mon 21:55 Seattle-Tacoma (SEA) 00:44 Anchorage (ANC) S
AS 143 Non-stop Boeing 737-800 (73H) 3:49 Effective 2024-12-09 through 2024-12-16
The flight arrives 1 day after departure.
Mon-Wed,Fri,Sun 21:55 Seattle-Tacoma (SEA) 00:46 Anchorage (ANC) S
AS 143 Non-stop Boeing 737-700 (73G) 3:51 Effective 2024-12-20 through 2025-01-05
The flight arrives 1 day after departure.
Daily 21:55 Seattle-Tacoma (SEA) 00:46 Anchorage (ANC) S
AS 143 Non-stop Boeing 737 (73J) 3:51 Effective 2025-01-06 through 2025-03-18
The flight arrives 1 day after departure.
Sat 21:57 Seattle-Tacoma (SEA) 00:48 Anchorage (ANC) S
AS 143 Non-stop Boeing 737 (73J) 3:51 Effective 2024-12-21 through 2025-01-04
The flight arrives 1 day after departure.
Thu 22:55 Seattle-Tacoma (SEA) 01:46 Anchorage (ANC) S
AS 143 Non-stop Boeing 737-700 (73G) 3:51 Effective 2024-12-19 through 2025-01-02
The flight arrives 1 day after departure.


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Alaska Airlines flight AS 143:
Seattle-Tacoma - Anchorage
Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Alaska Airlines AS143
18:00
Anchorage (ANC) S

22:28
Seattle-Tacoma (SEA)
Effective from 2025-04-22
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 3:28, non-stop
Boeing 737 (73J)
Alaska Airlines AS143
20:43
Seattle-Tacoma (SEA)

23:26
Anchorage (ANC) S
Valid until 2024-09-03
Mon
Tue
Wed
Thu
Fri
Sat
Sun
-
Duration: 3:43, non-stop
Boeing 737 MAX 9 (7M9)
Alaska Airlines AS143
20:43
Seattle-Tacoma (SEA)

23:26
Anchorage (ANC) S
Valid until 2024-09-06
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
Duration: 3:43, non-stop
Boeing 737-700 (73G)
Alaska Airlines AS143
20:43
Seattle-Tacoma (SEA)

23:26
Anchorage (ANC) S
Effective 2024-09-04 through 2024-09-09
Mon
Tue
-
Wed
Thu
-
Fri
-
Sat
-
Sun
Duration: 3:43, non-stop
Boeing 737 (73J)
Alaska Airlines AS143
20:43
Seattle-Tacoma (SEA)

23:26
Anchorage (ANC) S
Operates only on 2024-09-05
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Duration: 3:43, non-stop
Boeing 737-800 (73H)
Alaska Airlines AS143
20:43
Seattle-Tacoma (SEA)

23:26
Anchorage (ANC) S
Effective 2024-09-10 through 2024-09-17
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
Duration: 3:43, non-stop
Boeing 737 MAX 9 (7M9)
Alaska Airlines AS143
20:43
Seattle-Tacoma (SEA)

23:26
Anchorage (ANC) S
Effective 2024-09-12 through 2024-09-19
Mon
Tue
-
Wed
Thu
Fri
-
Sat
-
Sun
-
Duration: 3:43, non-stop
Boeing 737 (73J)
Alaska Airlines AS143
20:43
Seattle-Tacoma (SEA)

23:26
Anchorage (ANC) S
Operates only on 2024-09-13
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Duration: 3:43, non-stop
Boeing 737-700 (73G)
Alaska Airlines AS143
20:43
Seattle-Tacoma (SEA)

23:26
Anchorage (ANC) S
Effective 2024-09-20 through 2024-09-23
Mon
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
Duration: 3:43, non-stop
Boeing 737 (73J)
Alaska Airlines AS143
20:43
Seattle-Tacoma (SEA)

23:26
Anchorage (ANC) S
Operates only on 2024-09-24
Mon
-
Tue
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 3:43, non-stop
Boeing 737-900 (739)
Alaska Airlines AS143
20:43
Seattle-Tacoma (SEA)

23:26
Anchorage (ANC) S
Effective 2024-09-25 through 2024-09-27
Mon
-
Tue
-
Wed
Thu
-
Fri
Sat
-
Sun
-
Duration: 3:43, non-stop
Boeing 737 MAX 9 (7M9)
Alaska Airlines AS143
20:43
Seattle-Tacoma (SEA)

23:25
Anchorage (ANC) S
Operates only on 2024-09-26
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Duration: 3:42, non-stop
Boeing 737 (73J)
Alaska Airlines AS143
20:43
Seattle-Tacoma (SEA)

23:26
Anchorage (ANC) S
Effective 2024-09-29 through 2024-09-30
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 3:43, non-stop
Boeing 737 (73J)
Alaska Airlines AS143
20:55
Seattle-Tacoma (SEA)

23:42
Anchorage (ANC) S
Effective 2024-10-03 through 2024-10-04
Mon
-
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 3:47, non-stop
Boeing 737 MAX 9 (7M9)
Alaska Airlines AS143
20:55
Seattle-Tacoma (SEA)

23:42
Anchorage (ANC) S
Effective 2024-10-06 through 2024-10-13
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
Duration: 3:47, non-stop
Boeing 737-900 (739)
Alaska Airlines AS143
20:55
Seattle-Tacoma (SEA)

23:42
Anchorage (ANC) S
Effective 2024-10-07 through 2024-10-14
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 3:47, non-stop
Boeing 737-700 (73G)
Alaska Airlines AS143
20:55
Seattle-Tacoma (SEA)

23:42
Anchorage (ANC) S
Effective 2024-10-11 through 2024-10-18
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Duration: 3:47, non-stop
Boeing 737 MAX 9 (7M9)
Alaska Airlines AS143
20:55
Seattle-Tacoma (SEA)

23:42
Anchorage (ANC) S
Operates only on 2024-10-17
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Duration: 3:47, non-stop
Boeing 737-800 (73H)
Alaska Airlines AS143
20:55
Seattle-Tacoma (SEA)

23:42
Anchorage (ANC) S
Effective 2024-10-20 through 2024-10-21
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 3:47, non-stop
Boeing 737-900 (739)
Alaska Airlines AS143
20:55
Seattle-Tacoma (SEA)

23:42
Anchorage (ANC) S
Effective 2024-10-24 through 2024-10-25
Mon
-
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 3:47, non-stop
Boeing 737 MAX 9 (7M9)
Alaska Airlines AS143
21:45
Seattle-Tacoma (SEA)

00:33(+1)
Anchorage (ANC) S
Effective 2024-11-23 through 2024-11-30
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 3:48, non-stop
Boeing 737-900 (739)
The flight arrives 1 day after departure.
Alaska Airlines AS143
21:55
Seattle-Tacoma (SEA)

00:41(+1)
Anchorage (ANC) S
Effective 2024-10-27 through 2024-11-21
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 3:46, non-stop
Boeing 737-700 (73G)
The flight arrives 1 day after departure.
Alaska Airlines AS143
21:55
Seattle-Tacoma (SEA)

00:43(+1)
Anchorage (ANC) S
Operates only on 2024-11-22
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Duration: 3:48, non-stop
Boeing 737-700 (73G)
The flight arrives 1 day after departure.
Alaska Airlines AS143
21:55
Seattle-Tacoma (SEA)

00:43(+1)
Anchorage (ANC) S
Operates only on 2024-11-24
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 3:48, non-stop
Boeing 737 MAX 9 (7M9)
The flight arrives 1 day after departure.
Alaska Airlines AS143
21:55
Seattle-Tacoma (SEA)

00:43(+1)
Anchorage (ANC) S
Effective 2024-11-25 through 2024-12-02
Mon
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Duration: 3:48, non-stop
Boeing 737-800 (73H)
The flight arrives 1 day after departure.
Alaska Airlines AS143
21:55
Seattle-Tacoma (SEA)

00:43(+1)
Anchorage (ANC) S
Operates only on 2024-11-26
Mon
-
Tue
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 3:48, non-stop
Boeing 737 MAX 8 (7M8)
The flight arrives 1 day after departure.
Alaska Airlines AS143
21:55
Seattle-Tacoma (SEA)

00:43(+1)
Anchorage (ANC) S
Operates only on 2024-11-27
Mon
-
Tue
-
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 3:48, non-stop
Boeing 737-900 (739)
The flight arrives 1 day after departure.
Alaska Airlines AS143
21:55
Seattle-Tacoma (SEA)

00:43(+1)
Anchorage (ANC) S
Operates only on 2024-12-01
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 3:48, non-stop
Boeing 737-700 (73G)
The flight arrives 1 day after departure.
Alaska Airlines AS143
21:55
Seattle-Tacoma (SEA)

00:44(+1)
Anchorage (ANC) S
Effective 2024-12-05 through 2024-12-12
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Duration: 3:49, non-stop
Boeing 737-700 (73G)
The flight arrives 1 day after departure.
Alaska Airlines AS143
21:55
Seattle-Tacoma (SEA)

00:44(+1)
Anchorage (ANC) S
Effective 2024-12-06 through 2024-12-13
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Duration: 3:49, non-stop
Boeing 737-900 (739)
The flight arrives 1 day after departure.
Alaska Airlines AS143
21:55
Seattle-Tacoma (SEA)

00:44(+1)
Anchorage (ANC) S
Effective 2024-12-08 through 2024-12-15
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 3:49, non-stop
Boeing 737 MAX 9 (7M9)
The flight arrives 1 day after departure.
Alaska Airlines AS143
21:55
Seattle-Tacoma (SEA)

00:44(+1)
Anchorage (ANC) S
Effective 2024-12-09 through 2024-12-16
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 3:49, non-stop
Boeing 737-800 (73H)
The flight arrives 1 day after departure.
Alaska Airlines AS143
21:55
Seattle-Tacoma (SEA)

00:46(+1)
Anchorage (ANC) S
Effective 2024-12-20 through 2025-01-05
Mon
Tue
Wed
Thu
-
Fri
Sat
-
Sun
Duration: 3:51, non-stop
Boeing 737-700 (73G)
The flight arrives 1 day after departure.
Alaska Airlines AS143
21:55
Seattle-Tacoma (SEA)

00:46(+1)
Anchorage (ANC) S
Effective 2025-01-06 through 2025-03-18
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 3:51, non-stop
Boeing 737 (73J)
The flight arrives 1 day after departure.
Alaska Airlines AS143
21:57
Seattle-Tacoma (SEA)

00:48(+1)
Anchorage (ANC) S
Effective 2024-12-21 through 2025-01-04
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 3:51, non-stop
Boeing 737 (73J)
The flight arrives 1 day after departure.
Alaska Airlines AS143
22:55
Seattle-Tacoma (SEA)

01:46(+1)
Anchorage (ANC) S
Effective 2024-12-19 through 2025-01-02
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Duration: 3:51, non-stop
Boeing 737-700 (73G)
The flight arrives 1 day after departure.
  • AS 143 is a domestic flight departing from the Seattle-Tacoma airport (SEA) and arriving at Anchorage airport (ANC).
  • The flight distance is 1443 miles, or 2323 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 3:28 and 3:51.
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