Alaska Airlines flight AS 1255: Ontario, Los Angeles - Seattle-Tacoma

Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Mon,Tue,Thu,Fri 09:36 Ontario, Los Angeles (ONT) 2 12:25 Seattle-Tacoma (SEA)
AS 1255 Non-stop Boeing 737 (73J) 2:49 Valid until 2024-01-02
Wed,Fri,Sun 09:36 Ontario, Los Angeles (ONT) 2 12:25 Seattle-Tacoma (SEA)
AS 1255 Non-stop Boeing 737-800 (73H) 2:49 Effective 2024-01-03 through 2024-01-07
Thu 09:36 Ontario, Los Angeles (ONT) 2 12:25 Seattle-Tacoma (SEA)
AS 1255 Non-stop Boeing 737 MAX 9 (7M9) 2:49 Operates only on 2024-01-04
Fri 10:00 Ontario, Los Angeles (ONT) 2 12:50 Seattle-Tacoma (SEA)
AS 1255 Non-stop Boeing 737 (73J) 2:50 Operates only on 2024-01-12
Sun 10:24 Ontario, Los Angeles (ONT) 2 13:12 Seattle-Tacoma (SEA)
AS 1255 Non-stop Boeing 737-800 (73H) 2:48 Effective 2024-02-18 through 2024-03-10
Mon,Wed,Sun 10:25 Ontario, Los Angeles (ONT) 2 13:15 Seattle-Tacoma (SEA)
AS 1255 Non-stop Boeing 737 MAX 9 (7M9) 2:50 Effective 2024-01-08 through 2024-01-14
Mon,Tue,Thu,Sat 10:25 Ontario, Los Angeles (ONT) 2 13:15 Seattle-Tacoma (SEA)
AS 1255 Non-stop Boeing 737 (73J) 2:50 Effective 2024-01-09 through 2024-01-20
Wed,Fri 10:25 Ontario, Los Angeles (ONT) 2 13:15 Seattle-Tacoma (SEA)
AS 1255 Non-stop Boeing 737 MAX 9 (7M9) 2:50 Effective 2024-01-17 through 2024-01-24
Mon,Tue,Thu-Sun 10:25 Ontario, Los Angeles (ONT) 2 13:15 Seattle-Tacoma (SEA)
AS 1255 Non-stop Boeing 737 (73J) 2:50 Effective 2024-01-21 through 2024-01-29
Tue,Sat 10:25 Ontario, Los Angeles (ONT) 2 13:15 Seattle-Tacoma (SEA)
AS 1255 Non-stop Boeing 737-800 (73H) 2:50 Effective 2024-01-30 through 2024-02-10
Wed,Sun 10:25 Ontario, Los Angeles (ONT) 2 13:15 Seattle-Tacoma (SEA)
AS 1255 Non-stop Boeing 737 MAX 9 (7M9) 2:50 Effective 2024-01-31 through 2024-02-11
Thu 10:25 Ontario, Los Angeles (ONT) 2 13:15 Seattle-Tacoma (SEA)
AS 1255 Non-stop Boeing 737-900 (739) 2:50 Operates only on 2024-02-01
Mon,Thu,Fri 10:25 Ontario, Los Angeles (ONT) 2 13:15 Seattle-Tacoma (SEA)
AS 1255 Non-stop Boeing 737 (73J) 2:50 Effective 2024-02-02 through 2024-02-12
Tue 10:25 Ontario, Los Angeles (ONT) 2 13:15 Seattle-Tacoma (SEA)
AS 1255 Non-stop Boeing 737 (73J) 2:50 Operates only on 2024-02-13
Wed 10:25 Ontario, Los Angeles (ONT) 2 13:15 Seattle-Tacoma (SEA)
AS 1255 Non-stop Boeing 737-800 (73H) 2:50 Operates only on 2024-02-14
Mon,Thu,Fri,Sun 10:29 Ontario, Los Angeles (ONT) 2 13:15 Seattle-Tacoma (SEA)
AS 1255 Non-stop Boeing 737 (73J) 2:46 Effective 2024-04-18 through 2024-05-13
Mon-Fri 10:32 Ontario, Los Angeles (ONT) 2 13:20 Seattle-Tacoma (SEA)
AS 1255 Non-stop Boeing 737-800 (73H) 2:48 Effective 2024-02-15 through 2024-03-06
Sat 10:32 Ontario, Los Angeles (ONT) 2 13:20 Seattle-Tacoma (SEA)
AS 1255 Non-stop Boeing 737 MAX 9 (7M9) 2:48 Effective 2024-02-17 through 2024-03-02
Thu,Sat 10:32 Ontario, Los Angeles (ONT) 2 13:20 Seattle-Tacoma (SEA)
AS 1255 Non-stop Boeing 737 MAX 9 (7M9) 2:48 Effective 2024-03-07 through 2024-03-09
Mon-Wed,Fri 10:32 Ontario, Los Angeles (ONT) 2 13:20 Seattle-Tacoma (SEA)
AS 1255 Non-stop Boeing 737-800 (73H) 2:48 Effective 2024-03-08 through 2024-03-13
Wed,Thu,Sun 10:39 Ontario, Los Angeles (ONT) 2 13:31 Seattle-Tacoma (SEA)
AS 1255 Non-stop Boeing 737-800 (73H) 2:52 Effective 2024-03-14 through 2024-03-20
Fri 10:39 Ontario, Los Angeles (ONT) 2 13:31 Seattle-Tacoma (SEA)
AS 1255 Non-stop Boeing 737-900 (739) 2:52 Operates only on 2024-03-15
Mon,Tue,Thu,Fri 10:39 Ontario, Los Angeles (ONT) 2 13:31 Seattle-Tacoma (SEA)
AS 1255 Non-stop Boeing 737 (73J) 2:52 Effective 2024-03-18 through 2024-03-22
Mon,Wed,Sun 10:39 Ontario, Los Angeles (ONT) 2 13:31 Seattle-Tacoma (SEA)
AS 1255 Non-stop Boeing 737-800 (73H) 2:52 Effective 2024-03-24 through 2024-03-31
Tue,Thu,Fri 10:39 Ontario, Los Angeles (ONT) 2 13:31 Seattle-Tacoma (SEA)
AS 1255 Non-stop Boeing 737 (73J) 2:52 Effective 2024-03-26 through 2024-03-29
Mon 10:39 Ontario, Los Angeles (ONT) 2 13:31 Seattle-Tacoma (SEA)
AS 1255 Non-stop Boeing 737 MAX 9 (7M9) 2:52 Operates only on 2024-04-01
Tue,Wed,Sun 10:39 Ontario, Los Angeles (ONT) 2 13:31 Seattle-Tacoma (SEA)
AS 1255 Non-stop Boeing 737-800 (73H) 2:52 Effective 2024-04-02 through 2024-04-10
Mon,Thu,Fri 10:39 Ontario, Los Angeles (ONT) 2 13:31 Seattle-Tacoma (SEA)
AS 1255 Non-stop Boeing 737 (73J) 2:52 Effective 2024-04-04 through 2024-04-15
Daily 11:00 Sacramento (SMF) B 12:58 Seattle-Tacoma (SEA)
AS 1255 Non-stop Boeing 737 (73J) 1:58 Effective from 2024-05-16
Sat 12:50 Ontario, Los Angeles (ONT) 2 15:39 Seattle-Tacoma (SEA)
AS 1255 Non-stop Boeing 737-700 (73G) 2:49 Valid until 2024-01-06


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Alaska Airlines flight AS 1255:
Ontario, Los Angeles - Seattle-Tacoma
Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Alaska Airlines AS1255
09:36
Ontario, Los Angeles (ONT) 2

12:25
Seattle-Tacoma (SEA)
Valid until 2024-01-02
Mon
Tue
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 2:49, non-stop
Boeing 737 (73J)
Alaska Airlines AS1255
09:36
Ontario, Los Angeles (ONT) 2

12:25
Seattle-Tacoma (SEA)
Effective 2024-01-03 through 2024-01-07
Mon
-
Tue
-
Wed
Thu
-
Fri
Sat
-
Sun
Duration: 2:49, non-stop
Boeing 737-800 (73H)
Alaska Airlines AS1255
09:36
Ontario, Los Angeles (ONT) 2

12:25
Seattle-Tacoma (SEA)
Operates only on 2024-01-04
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Duration: 2:49, non-stop
Boeing 737 MAX 9 (7M9)
Alaska Airlines AS1255
10:00
Ontario, Los Angeles (ONT) 2

12:50
Seattle-Tacoma (SEA)
Operates only on 2024-01-12
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Duration: 2:50, non-stop
Boeing 737 (73J)
Alaska Airlines AS1255
10:24
Ontario, Los Angeles (ONT) 2

13:12
Seattle-Tacoma (SEA)
Effective 2024-02-18 through 2024-03-10
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 2:48, non-stop
Boeing 737-800 (73H)
Alaska Airlines AS1255
10:25
Ontario, Los Angeles (ONT) 2

13:15
Seattle-Tacoma (SEA)
Effective 2024-01-08 through 2024-01-14
Mon
Tue
-
Wed
Thu
-
Fri
-
Sat
-
Sun
Duration: 2:50, non-stop
Boeing 737 MAX 9 (7M9)
Alaska Airlines AS1255
10:25
Ontario, Los Angeles (ONT) 2

13:15
Seattle-Tacoma (SEA)
Effective 2024-01-09 through 2024-01-20
Mon
Tue
Wed
-
Thu
Fri
-
Sat
Sun
-
Duration: 2:50, non-stop
Boeing 737 (73J)
Alaska Airlines AS1255
10:25
Ontario, Los Angeles (ONT) 2

13:15
Seattle-Tacoma (SEA)
Effective 2024-01-17 through 2024-01-24
Mon
-
Tue
-
Wed
Thu
-
Fri
Sat
-
Sun
-
Duration: 2:50, non-stop
Boeing 737 MAX 9 (7M9)
Alaska Airlines AS1255
10:25
Ontario, Los Angeles (ONT) 2

13:15
Seattle-Tacoma (SEA)
Effective 2024-01-21 through 2024-01-29
Mon
Tue
Wed
-
Thu
Fri
Sat
Sun
Duration: 2:50, non-stop
Boeing 737 (73J)
Alaska Airlines AS1255
10:25
Ontario, Los Angeles (ONT) 2

13:15
Seattle-Tacoma (SEA)
Effective 2024-01-30 through 2024-02-10
Mon
-
Tue
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 2:50, non-stop
Boeing 737-800 (73H)
Alaska Airlines AS1255
10:25
Ontario, Los Angeles (ONT) 2

13:15
Seattle-Tacoma (SEA)
Effective 2024-01-31 through 2024-02-11
Mon
-
Tue
-
Wed
Thu
-
Fri
-
Sat
-
Sun
Duration: 2:50, non-stop
Boeing 737 MAX 9 (7M9)
Alaska Airlines AS1255
10:25
Ontario, Los Angeles (ONT) 2

13:15
Seattle-Tacoma (SEA)
Operates only on 2024-02-01
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Duration: 2:50, non-stop
Boeing 737-900 (739)
Alaska Airlines AS1255
10:25
Ontario, Los Angeles (ONT) 2

13:15
Seattle-Tacoma (SEA)
Effective 2024-02-02 through 2024-02-12
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 2:50, non-stop
Boeing 737 (73J)
Alaska Airlines AS1255
10:25
Ontario, Los Angeles (ONT) 2

13:15
Seattle-Tacoma (SEA)
Operates only on 2024-02-13
Mon
-
Tue
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 2:50, non-stop
Boeing 737 (73J)
Alaska Airlines AS1255
10:25
Ontario, Los Angeles (ONT) 2

13:15
Seattle-Tacoma (SEA)
Operates only on 2024-02-14
Mon
-
Tue
-
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 2:50, non-stop
Boeing 737-800 (73H)
Alaska Airlines AS1255
10:29
Ontario, Los Angeles (ONT) 2

13:15
Seattle-Tacoma (SEA)
Effective 2024-04-18 through 2024-05-13
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 2:46, non-stop
Boeing 737 (73J)
Alaska Airlines AS1255
10:32
Ontario, Los Angeles (ONT) 2

13:20
Seattle-Tacoma (SEA)
Effective 2024-02-15 through 2024-03-06
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
-
Duration: 2:48, non-stop
Boeing 737-800 (73H)
Alaska Airlines AS1255
10:32
Ontario, Los Angeles (ONT) 2

13:20
Seattle-Tacoma (SEA)
Effective 2024-02-17 through 2024-03-02
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 2:48, non-stop
Boeing 737 MAX 9 (7M9)
Alaska Airlines AS1255
10:32
Ontario, Los Angeles (ONT) 2

13:20
Seattle-Tacoma (SEA)
Effective 2024-03-07 through 2024-03-09
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
Sun
-
Duration: 2:48, non-stop
Boeing 737 MAX 9 (7M9)
Alaska Airlines AS1255
10:32
Ontario, Los Angeles (ONT) 2

13:20
Seattle-Tacoma (SEA)
Effective 2024-03-08 through 2024-03-13
Mon
Tue
Wed
Thu
-
Fri
Sat
-
Sun
-
Duration: 2:48, non-stop
Boeing 737-800 (73H)
Alaska Airlines AS1255
10:39
Ontario, Los Angeles (ONT) 2

13:31
Seattle-Tacoma (SEA)
Effective 2024-03-14 through 2024-03-20
Mon
-
Tue
-
Wed
Thu
Fri
-
Sat
-
Sun
Duration: 2:52, non-stop
Boeing 737-800 (73H)
Alaska Airlines AS1255
10:39
Ontario, Los Angeles (ONT) 2

13:31
Seattle-Tacoma (SEA)
Operates only on 2024-03-15
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Duration: 2:52, non-stop
Boeing 737-900 (739)
Alaska Airlines AS1255
10:39
Ontario, Los Angeles (ONT) 2

13:31
Seattle-Tacoma (SEA)
Effective 2024-03-18 through 2024-03-22
Mon
Tue
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 2:52, non-stop
Boeing 737 (73J)
Alaska Airlines AS1255
10:39
Ontario, Los Angeles (ONT) 2

13:31
Seattle-Tacoma (SEA)
Effective 2024-03-24 through 2024-03-31
Mon
Tue
-
Wed
Thu
-
Fri
-
Sat
-
Sun
Duration: 2:52, non-stop
Boeing 737-800 (73H)
Alaska Airlines AS1255
10:39
Ontario, Los Angeles (ONT) 2

13:31
Seattle-Tacoma (SEA)
Effective 2024-03-26 through 2024-03-29
Mon
-
Tue
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 2:52, non-stop
Boeing 737 (73J)
Alaska Airlines AS1255
10:39
Ontario, Los Angeles (ONT) 2

13:31
Seattle-Tacoma (SEA)
Operates only on 2024-04-01
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 2:52, non-stop
Boeing 737 MAX 9 (7M9)
Alaska Airlines AS1255
10:39
Ontario, Los Angeles (ONT) 2

13:31
Seattle-Tacoma (SEA)
Effective 2024-04-02 through 2024-04-10
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
Duration: 2:52, non-stop
Boeing 737-800 (73H)
Alaska Airlines AS1255
10:39
Ontario, Los Angeles (ONT) 2

13:31
Seattle-Tacoma (SEA)
Effective 2024-04-04 through 2024-04-15
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 2:52, non-stop
Boeing 737 (73J)
Alaska Airlines AS1255
11:00
Sacramento (SMF) B

12:58
Seattle-Tacoma (SEA)
Effective from 2024-05-16
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:58, non-stop
Boeing 737 (73J)
Alaska Airlines AS1255
12:50
Ontario, Los Angeles (ONT) 2

15:39
Seattle-Tacoma (SEA)
Valid until 2024-01-06
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 2:49, non-stop
Boeing 737-700 (73G)
  • AS 1255 is a domestic flight departing from the Ontario, Los Angeles airport (ONT) and arriving at Seattle-Tacoma airport (SEA).
  • The flight distance is 956 miles, or 1539 km.
  • The timezone of both the departure and the arrival airports is UTC-8 . Current time at both airports is (loading...).
  • For direct flights, the flight time varies between 1:58 and 2:52.
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All ONT-SEA flights
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