Alaska Airlines flight AS 1254: Seattle-Tacoma - Ontario, Los Angeles

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FLIGHT SCHEDULE
Direct Flights:
Daily 07:55 Seattle-Tacoma (SEA) 10:45 Ontario, Los Angeles (ONT) 2
AS 1254 Non-stop Boeing 737 (73J) 2:50 Effective 2025-08-20 through 2025-10-03
Daily 08:05 Seattle-Tacoma (SEA) 10:39 Ontario, Los Angeles (ONT) 2
AS 1254 Non-stop Boeing 737 (73J) 2:34 Effective 2025-10-04 through 2025-10-25
Mon,Wed-Fri 08:13 Seattle-Tacoma (SEA) 10:51 Ontario, Los Angeles (ONT) 2
AS 1254 Non-stop Boeing 737 (73J) 2:38 Valid until 2025-05-05
Tue,Sat,Sun 08:13 Seattle-Tacoma (SEA) 10:51 Ontario, Los Angeles (ONT) 2
AS 1254 Non-stop Boeing 737-800 (73H) 2:38 Valid until 2025-05-04
Tue,Thu-Sat 08:13 Seattle-Tacoma (SEA) 10:51 Ontario, Los Angeles (ONT) 2
AS 1254 Non-stop Boeing 737 (73J) 2:38 Effective 2025-05-06 through 2025-05-10
Mon-Wed,Sun 08:13 Seattle-Tacoma (SEA) 10:51 Ontario, Los Angeles (ONT) 2
AS 1254 Non-stop Boeing 737-800 (73H) 2:38 Effective 2025-05-07 through 2025-05-13
Wed 08:13 Seattle-Tacoma (SEA) 10:51 Ontario, Los Angeles (ONT) 2
AS 1254 Non-stop Boeing 737 MAX 9 (7M9) 2:38 Operates only on 2025-05-14
Thu 08:26 Seattle-Tacoma (SEA) 10:57 Ontario, Los Angeles (ONT) 2
AS 1254 Non-stop Boeing 737 MAX 9 (7M9) 2:31 Operates only on 2025-05-15
Fri 08:26 Seattle-Tacoma (SEA) 10:57 Ontario, Los Angeles (ONT) 2
AS 1254 Non-stop Boeing 737-900 (739) 2:31 Operates only on 2025-05-16
Mon-Wed,Fri-Sun 08:26 Seattle-Tacoma (SEA) 10:57 Ontario, Los Angeles (ONT) 2
AS 1254 Non-stop Boeing 737 (73J) 2:31 Effective 2025-05-17 through 2025-05-26
Tue,Thu 08:26 Seattle-Tacoma (SEA) 10:57 Ontario, Los Angeles (ONT) 2
AS 1254 Non-stop Boeing 737-800 (73H) 2:31 Effective 2025-05-22 through 2025-05-27
Mon-Thu,Sun 08:26 Seattle-Tacoma (SEA) 10:57 Ontario, Los Angeles (ONT) 2
AS 1254 Non-stop Boeing 737 (73J) 2:31 Effective 2025-05-28 through 2025-06-10
Fri,Sat 08:26 Seattle-Tacoma (SEA) 10:57 Ontario, Los Angeles (ONT) 2
AS 1254 Non-stop Boeing 737-900 (739) 2:31 Effective 2025-05-30 through 2025-06-07
Wed 08:26 Seattle-Tacoma (SEA) 10:57 Ontario, Los Angeles (ONT) 2
AS 1254 Non-stop Boeing 737 MAX 9 (7M9) 2:31 Operates only on 2025-06-11
Mon-Thu,Sun 08:27 Seattle-Tacoma (SEA) 11:05 Ontario, Los Angeles (ONT) 2
AS 1254 Non-stop Boeing 737 MAX 9 (7M9) 2:38 Effective 2025-06-12 through 2025-06-19
Fri 08:27 Seattle-Tacoma (SEA) 11:05 Ontario, Los Angeles (ONT) 2
AS 1254 Non-stop Boeing 737-800 (73H) 2:38 Operates only on 2025-06-13
Tue,Thu,Fri,Sun 08:27 Seattle-Tacoma (SEA) 11:05 Ontario, Los Angeles (ONT) 2
AS 1254 Non-stop Boeing 737 MAX 9 (7M9) 2:38 Effective 2025-06-20 through 2025-06-27
Mon,Wed 08:27 Seattle-Tacoma (SEA) 11:05 Ontario, Los Angeles (ONT) 2
AS 1254 Non-stop Boeing 737 (73J) 2:38 Effective 2025-06-23 through 2025-06-25
Sun 08:27 Seattle-Tacoma (SEA) 11:05 Ontario, Los Angeles (ONT) 2
AS 1254 Non-stop Boeing 737-800 (73H) 2:38 Operates only on 2025-06-29
Mon,Tue,Sun 08:27 Seattle-Tacoma (SEA) 11:05 Ontario, Los Angeles (ONT) 2
AS 1254 Non-stop Boeing 737 MAX 9 (7M9) 2:38 Effective 2025-06-30 through 2025-07-06
Mon,Wed-Fri 08:27 Seattle-Tacoma (SEA) 11:05 Ontario, Los Angeles (ONT) 2
AS 1254 Non-stop Boeing 737 (73J) 2:38 Effective 2025-07-02 through 2025-07-07
Tue,Sun 08:27 Seattle-Tacoma (SEA) 11:05 Ontario, Los Angeles (ONT) 2
AS 1254 Non-stop Boeing 737-800 (73H) 2:38 Effective 2025-07-08 through 2025-07-13
Wed 08:27 Seattle-Tacoma (SEA) 11:05 Ontario, Los Angeles (ONT) 2
AS 1254 Non-stop Boeing 737-900 (739) 2:38 Operates only on 2025-07-09
Wed-Fri 08:27 Seattle-Tacoma (SEA) 11:05 Ontario, Los Angeles (ONT) 2
AS 1254 Non-stop Boeing 737 MAX 9 (7M9) 2:38 Effective 2025-07-10 through 2025-07-18
Mon,Tue 08:27 Seattle-Tacoma (SEA) 11:05 Ontario, Los Angeles (ONT) 2
AS 1254 Non-stop Boeing 737 (73J) 2:38 Effective 2025-07-14 through 2025-07-21
Sun 08:27 Seattle-Tacoma (SEA) 11:05 Ontario, Los Angeles (ONT) 2
AS 1254 Non-stop Boeing 737-800 (73H) 2:38 Effective 2025-07-20 through 2025-07-27
Mon-Fri 08:27 Seattle-Tacoma (SEA) 11:05 Ontario, Los Angeles (ONT) 2
AS 1254 Non-stop Boeing 737 MAX 9 (7M9) 2:38 Effective 2025-07-22 through 2025-07-30
Mon,Thu,Sun 08:27 Seattle-Tacoma (SEA) 11:05 Ontario, Los Angeles (ONT) 2
AS 1254 Non-stop Boeing 737-800 (73H) 2:38 Effective 2025-07-31 through 2025-08-04
Tue,Thu,Fri 08:27 Seattle-Tacoma (SEA) 11:05 Ontario, Los Angeles (ONT) 2
AS 1254 Non-stop Boeing 737 MAX 9 (7M9) 2:38 Effective 2025-08-01 through 2025-08-08
Tue,Wed 08:27 Seattle-Tacoma (SEA) 11:05 Ontario, Los Angeles (ONT) 2
AS 1254 Non-stop Boeing 737 (73J) 2:38 Effective 2025-08-06 through 2025-08-12
Wed-Fri,Sun 08:27 Seattle-Tacoma (SEA) 11:05 Ontario, Los Angeles (ONT) 2
AS 1254 Non-stop Boeing 737 MAX 9 (7M9) 2:38 Effective 2025-08-10 through 2025-08-15
Mon 08:27 Seattle-Tacoma (SEA) 11:05 Ontario, Los Angeles (ONT) 2
AS 1254 Non-stop Boeing 737-800 (73H) 2:38 Operates only on 2025-08-11
Tue,Sun 08:27 Seattle-Tacoma (SEA) 11:05 Ontario, Los Angeles (ONT) 2
AS 1254 Non-stop Boeing 737 (73J) 2:38 Effective 2025-08-17 through 2025-08-19
Mon 08:27 Seattle-Tacoma (SEA) 11:05 Ontario, Los Angeles (ONT) 2
AS 1254 Non-stop Boeing 737 MAX 9 (7M9) 2:38 Operates only on 2025-08-18
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Alaska Airlines flight AS 1254:
Seattle-Tacoma - Ontario, Los Angeles
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Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Alaska Airlines AS1254
07:55
Seattle-Tacoma (SEA)

10:45
Ontario, Los Angeles (ONT) 2
Effective 2025-08-20 through 2025-10-03
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:50, non-stop
Boeing 737 (73J)
Alaska Airlines AS1254
08:05
Seattle-Tacoma (SEA)

10:39
Ontario, Los Angeles (ONT) 2
Effective 2025-10-04 through 2025-10-25
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:34, non-stop
Boeing 737 (73J)
Alaska Airlines AS1254
08:13
Seattle-Tacoma (SEA)

10:51
Ontario, Los Angeles (ONT) 2
Valid until 2025-05-05
Mon
Tue
-
Wed
Thu
Fri
Sat
-
Sun
-
Duration: 2:38, non-stop
Boeing 737 (73J)
Alaska Airlines AS1254
08:13
Seattle-Tacoma (SEA)

10:51
Ontario, Los Angeles (ONT) 2
Valid until 2025-05-04
Mon
-
Tue
Wed
-
Thu
-
Fri
-
Sat
Sun
Duration: 2:38, non-stop
Boeing 737-800 (73H)
Alaska Airlines AS1254
08:13
Seattle-Tacoma (SEA)

10:51
Ontario, Los Angeles (ONT) 2
Effective 2025-05-06 through 2025-05-10
Mon
-
Tue
Wed
-
Thu
Fri
Sat
Sun
-
Duration: 2:38, non-stop
Boeing 737 (73J)
Alaska Airlines AS1254
08:13
Seattle-Tacoma (SEA)

10:51
Ontario, Los Angeles (ONT) 2
Effective 2025-05-07 through 2025-05-13
Mon
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
Duration: 2:38, non-stop
Boeing 737-800 (73H)
Alaska Airlines AS1254
08:13
Seattle-Tacoma (SEA)

10:51
Ontario, Los Angeles (ONT) 2
Operates only on 2025-05-14
Mon
-
Tue
-
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 2:38, non-stop
Boeing 737 MAX 9 (7M9)
Alaska Airlines AS1254
08:26
Seattle-Tacoma (SEA)

10:57
Ontario, Los Angeles (ONT) 2
Operates only on 2025-05-15
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Duration: 2:31, non-stop
Boeing 737 MAX 9 (7M9)
Alaska Airlines AS1254
08:26
Seattle-Tacoma (SEA)

10:57
Ontario, Los Angeles (ONT) 2
Operates only on 2025-05-16
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Duration: 2:31, non-stop
Boeing 737-900 (739)
Alaska Airlines AS1254
08:26
Seattle-Tacoma (SEA)

10:57
Ontario, Los Angeles (ONT) 2
Effective 2025-05-17 through 2025-05-26
Mon
Tue
Wed
Thu
-
Fri
Sat
Sun
Duration: 2:31, non-stop
Boeing 737 (73J)
Alaska Airlines AS1254
08:26
Seattle-Tacoma (SEA)

10:57
Ontario, Los Angeles (ONT) 2
Effective 2025-05-22 through 2025-05-27
Mon
-
Tue
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Duration: 2:31, non-stop
Boeing 737-800 (73H)
Alaska Airlines AS1254
08:26
Seattle-Tacoma (SEA)

10:57
Ontario, Los Angeles (ONT) 2
Effective 2025-05-28 through 2025-06-10
Mon
Tue
Wed
Thu
Fri
-
Sat
-
Sun
Duration: 2:31, non-stop
Boeing 737 (73J)
Alaska Airlines AS1254
08:26
Seattle-Tacoma (SEA)

10:57
Ontario, Los Angeles (ONT) 2
Effective 2025-05-30 through 2025-06-07
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
Sun
-
Duration: 2:31, non-stop
Boeing 737-900 (739)
Alaska Airlines AS1254
08:26
Seattle-Tacoma (SEA)

10:57
Ontario, Los Angeles (ONT) 2
Operates only on 2025-06-11
Mon
-
Tue
-
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 2:31, non-stop
Boeing 737 MAX 9 (7M9)
Alaska Airlines AS1254
08:27
Seattle-Tacoma (SEA)

11:05
Ontario, Los Angeles (ONT) 2
Effective 2025-06-12 through 2025-06-19
Mon
Tue
Wed
Thu
Fri
-
Sat
-
Sun
Duration: 2:38, non-stop
Boeing 737 MAX 9 (7M9)
Alaska Airlines AS1254
08:27
Seattle-Tacoma (SEA)

11:05
Ontario, Los Angeles (ONT) 2
Operates only on 2025-06-13
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Duration: 2:38, non-stop
Boeing 737-800 (73H)
Alaska Airlines AS1254
08:27
Seattle-Tacoma (SEA)

11:05
Ontario, Los Angeles (ONT) 2
Effective 2025-06-20 through 2025-06-27
Mon
-
Tue
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 2:38, non-stop
Boeing 737 MAX 9 (7M9)
Alaska Airlines AS1254
08:27
Seattle-Tacoma (SEA)

11:05
Ontario, Los Angeles (ONT) 2
Effective 2025-06-23 through 2025-06-25
Mon
Tue
-
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 2:38, non-stop
Boeing 737 (73J)
Alaska Airlines AS1254
08:27
Seattle-Tacoma (SEA)

11:05
Ontario, Los Angeles (ONT) 2
Operates only on 2025-06-29
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 2:38, non-stop
Boeing 737-800 (73H)
Alaska Airlines AS1254
08:27
Seattle-Tacoma (SEA)

11:05
Ontario, Los Angeles (ONT) 2
Effective 2025-06-30 through 2025-07-06
Mon
Tue
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 2:38, non-stop
Boeing 737 MAX 9 (7M9)
Alaska Airlines AS1254
08:27
Seattle-Tacoma (SEA)

11:05
Ontario, Los Angeles (ONT) 2
Effective 2025-07-02 through 2025-07-07
Mon
Tue
-
Wed
Thu
Fri
Sat
-
Sun
-
Duration: 2:38, non-stop
Boeing 737 (73J)
Alaska Airlines AS1254
08:27
Seattle-Tacoma (SEA)

11:05
Ontario, Los Angeles (ONT) 2
Effective 2025-07-08 through 2025-07-13
Mon
-
Tue
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 2:38, non-stop
Boeing 737-800 (73H)
Alaska Airlines AS1254
08:27
Seattle-Tacoma (SEA)

11:05
Ontario, Los Angeles (ONT) 2
Operates only on 2025-07-09
Mon
-
Tue
-
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 2:38, non-stop
Boeing 737-900 (739)
Alaska Airlines AS1254
08:27
Seattle-Tacoma (SEA)

11:05
Ontario, Los Angeles (ONT) 2
Effective 2025-07-10 through 2025-07-18
Mon
-
Tue
-
Wed
Thu
Fri
Sat
-
Sun
-
Duration: 2:38, non-stop
Boeing 737 MAX 9 (7M9)
Alaska Airlines AS1254
08:27
Seattle-Tacoma (SEA)

11:05
Ontario, Los Angeles (ONT) 2
Effective 2025-07-14 through 2025-07-21
Mon
Tue
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 2:38, non-stop
Boeing 737 (73J)
Alaska Airlines AS1254
08:27
Seattle-Tacoma (SEA)

11:05
Ontario, Los Angeles (ONT) 2
Effective 2025-07-20 through 2025-07-27
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 2:38, non-stop
Boeing 737-800 (73H)
Alaska Airlines AS1254
08:27
Seattle-Tacoma (SEA)

11:05
Ontario, Los Angeles (ONT) 2
Effective 2025-07-22 through 2025-07-30
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
-
Duration: 2:38, non-stop
Boeing 737 MAX 9 (7M9)
Alaska Airlines AS1254
08:27
Seattle-Tacoma (SEA)

11:05
Ontario, Los Angeles (ONT) 2
Effective 2025-07-31 through 2025-08-04
Mon
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
Duration: 2:38, non-stop
Boeing 737-800 (73H)
Alaska Airlines AS1254
08:27
Seattle-Tacoma (SEA)

11:05
Ontario, Los Angeles (ONT) 2
Effective 2025-08-01 through 2025-08-08
Mon
-
Tue
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 2:38, non-stop
Boeing 737 MAX 9 (7M9)
Alaska Airlines AS1254
08:27
Seattle-Tacoma (SEA)

11:05
Ontario, Los Angeles (ONT) 2
Effective 2025-08-06 through 2025-08-12
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 2:38, non-stop
Boeing 737 (73J)
Alaska Airlines AS1254
08:27
Seattle-Tacoma (SEA)

11:05
Ontario, Los Angeles (ONT) 2
Effective 2025-08-10 through 2025-08-15
Mon
-
Tue
-
Wed
Thu
Fri
Sat
-
Sun
Duration: 2:38, non-stop
Boeing 737 MAX 9 (7M9)
Alaska Airlines AS1254
08:27
Seattle-Tacoma (SEA)

11:05
Ontario, Los Angeles (ONT) 2
Operates only on 2025-08-11
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 2:38, non-stop
Boeing 737-800 (73H)
Alaska Airlines AS1254
08:27
Seattle-Tacoma (SEA)

11:05
Ontario, Los Angeles (ONT) 2
Effective 2025-08-17 through 2025-08-19
Mon
-
Tue
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 2:38, non-stop
Boeing 737 (73J)
Alaska Airlines AS1254
08:27
Seattle-Tacoma (SEA)

11:05
Ontario, Los Angeles (ONT) 2
Operates only on 2025-08-18
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 2:38, non-stop
Boeing 737 MAX 9 (7M9)
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Parallax here SEA-ONT
  • AS 1254 is a domestic flight departing from the Seattle-Tacoma airport (SEA) and arriving at Ontario, Los Angeles airport (ONT).
  • 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 2:31 and 2:50.
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