Alaska Airlines flight AS 399: Multiple routes

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FLIGHT SCHEDULE
Direct Flights:
Daily 07:00 San Diego (SAN) 2 09:50 Portland (PDX)
AS 399 Non-stop Boeing 737 (73J) 2:50 Effective from 2025-10-26
Daily 08:00 George Bush, Houston (IAH) A 10:40 Seattle-Tacoma (SEA)
AS 399 Non-stop Boeing 737 (73J) 4:40 Effective 2025-08-20 through 2025-10-03
Mon-Fri 09:00 George Bush, Houston (IAH) A 11:41 Seattle-Tacoma (SEA)
AS 399 Non-stop Boeing 737 MAX 9 (7M9) 4:41 Effective 2025-06-12 through 2025-06-20
Sat,Sun 09:00 George Bush, Houston (IAH) A 11:41 Seattle-Tacoma (SEA)
AS 399 Non-stop Boeing 737 (73J) 4:41 Effective 2025-06-14 through 2025-06-21
Mon-Fri,Sun 09:00 George Bush, Houston (IAH) A 11:41 Seattle-Tacoma (SEA)
AS 399 Non-stop Boeing 737 MAX 9 (7M9) 4:41 Effective 2025-06-22 through 2025-06-29
Mon,Tue,Fri,Sat 09:00 George Bush, Houston (IAH) A 11:41 Seattle-Tacoma (SEA)
AS 399 Non-stop Boeing 737 (73J) 4:41 Effective 2025-06-28 through 2025-07-04
Mon,Wed,Thu,Sat,Sun 09:00 George Bush, Houston (IAH) A 11:41 Seattle-Tacoma (SEA)
AS 399 Non-stop Boeing 737 MAX 9 (7M9) 4:41 Effective 2025-07-02 through 2025-07-10
Mon,Tue,Sat 09:00 George Bush, Houston (IAH) A 11:41 Seattle-Tacoma (SEA)
AS 399 Non-stop Boeing 737 (73J) 4:41 Effective 2025-07-08 through 2025-07-14
Tue-Fri,Sun 09:00 George Bush, Houston (IAH) A 11:41 Seattle-Tacoma (SEA)
AS 399 Non-stop Boeing 737 MAX 9 (7M9) 4:41 Effective 2025-07-11 through 2025-07-20
Mon,Tue,Sat 09:00 George Bush, Houston (IAH) A 11:41 Seattle-Tacoma (SEA)
AS 399 Non-stop Boeing 737 (73J) 4:41 Effective 2025-07-19 through 2025-08-02
Wed-Fri,Sun 09:00 George Bush, Houston (IAH) A 11:41 Seattle-Tacoma (SEA)
AS 399 Non-stop Boeing 737 MAX 9 (7M9) 4:41 Effective 2025-07-23 through 2025-08-03
Mon,Wed-Fri,Sun 09:00 George Bush, Houston (IAH) A 11:41 Seattle-Tacoma (SEA)
AS 399 Non-stop Boeing 737 MAX 9 (7M9) 4:41 Effective 2025-08-04 through 2025-08-11
Tue,Sat 09:00 George Bush, Houston (IAH) A 11:41 Seattle-Tacoma (SEA)
AS 399 Non-stop Boeing 737 (73J) 4:41 Effective 2025-08-05 through 2025-08-09
Mon-Fri,Sun 09:00 George Bush, Houston (IAH) A 11:41 Seattle-Tacoma (SEA)
AS 399 Non-stop Boeing 737 MAX 9 (7M9) 4:41 Effective 2025-08-12 through 2025-08-19
Sat 09:00 George Bush, Houston (IAH) A 11:41 Seattle-Tacoma (SEA)
AS 399 Non-stop Boeing 737 (73J) 4:41 Operates only on 2025-08-16
Mon-Sat 19:37 Orlando (MCO) B 22:33 San Francisco (SFO) 1
AS 399 Non-stop Boeing 737 MAX 9 (7M9) 5:56 Effective 2025-05-15 through 2025-06-11
Sun 19:37 Orlando (MCO) B 22:33 San Francisco (SFO) 1
AS 399 Non-stop Boeing 737-800 (73H) 5:56 Effective 2025-05-18 through 2025-06-08
Mon,Tue,Thu,Fri,Sun 19:59 Orlando (MCO) B 23:08 San Francisco (SFO) 1
AS 399 Non-stop Boeing 737 (73J) 6:09 Valid until 2025-05-08
Wed,Sat 19:59 Orlando (MCO) B 23:08 San Francisco (SFO) 1
AS 399 Non-stop Boeing 737 MAX 9 (7M9) 6:09 Valid until 2025-05-07
Fri,Sat 19:59 Orlando (MCO) B 23:08 San Francisco (SFO) 1
AS 399 Non-stop Boeing 737 MAX 9 (7M9) 6:09 Effective 2025-05-09 through 2025-05-10
Mon-Wed,Sun 19:59 Orlando (MCO) B 23:08 San Francisco (SFO) 1
AS 399 Non-stop Boeing 737 (73J) 6:09 Effective 2025-05-11 through 2025-05-14
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This flight number is listed as serving the following routes:
Alaska Airlines flight AS 399: Multiple routes
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Select flight date:
FLIGHT SCHEDULE
Direct Flights:

Alaska Airlines AS399
Effective from 2025-10-26
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:50, non-stop
Boeing 737 (73J)

Alaska Airlines AS399
Effective 2025-08-20 through 2025-10-03
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 4:40, non-stop
Boeing 737 (73J)

Alaska Airlines AS399
Effective 2025-06-12 through 2025-06-20
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
-
Duration: 4:41, non-stop
Boeing 737 MAX 9 (7M9)

Alaska Airlines AS399
Effective 2025-06-14 through 2025-06-21
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
Duration: 4:41, non-stop
Boeing 737 (73J)

Alaska Airlines AS399
Effective 2025-06-22 through 2025-06-29
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 4:41, non-stop
Boeing 737 MAX 9 (7M9)

Alaska Airlines AS399
Effective 2025-06-28 through 2025-07-04
Mon
Tue
Wed
-
Thu
-
Fri
Sat
Sun
-
Duration: 4:41, non-stop
Boeing 737 (73J)

Alaska Airlines AS399
Effective 2025-07-02 through 2025-07-10
Mon
Tue
-
Wed
Thu
Fri
-
Sat
Sun
Duration: 4:41, non-stop
Boeing 737 MAX 9 (7M9)

Alaska Airlines AS399
Effective 2025-07-08 through 2025-07-14
Mon
Tue
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 4:41, non-stop
Boeing 737 (73J)

Alaska Airlines AS399
Effective 2025-07-11 through 2025-07-20
Mon
-
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 4:41, non-stop
Boeing 737 MAX 9 (7M9)

Alaska Airlines AS399
Effective 2025-07-19 through 2025-08-02
Mon
Tue
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 4:41, non-stop
Boeing 737 (73J)

Alaska Airlines AS399
Effective 2025-07-23 through 2025-08-03
Mon
-
Tue
-
Wed
Thu
Fri
Sat
-
Sun
Duration: 4:41, non-stop
Boeing 737 MAX 9 (7M9)

Alaska Airlines AS399
Effective 2025-08-04 through 2025-08-11
Mon
Tue
-
Wed
Thu
Fri
Sat
-
Sun
Duration: 4:41, non-stop
Boeing 737 MAX 9 (7M9)

Alaska Airlines AS399
Effective 2025-08-05 through 2025-08-09
Mon
-
Tue
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 4:41, non-stop
Boeing 737 (73J)

Alaska Airlines AS399
Effective 2025-08-12 through 2025-08-19
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 4:41, non-stop
Boeing 737 MAX 9 (7M9)

Alaska Airlines AS399
Operates only on 2025-08-16
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 4:41, non-stop
Boeing 737 (73J)

Alaska Airlines AS399
Effective 2025-05-15 through 2025-06-11
Mon
Tue
Wed
Thu
Fri
Sat
Sun
-
Duration: 5:56, non-stop
Boeing 737 MAX 9 (7M9)

Alaska Airlines AS399
Effective 2025-05-18 through 2025-06-08
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 5:56, non-stop
Boeing 737-800 (73H)

Alaska Airlines AS399
Valid until 2025-05-08
Mon
Tue
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 6:09, non-stop
Boeing 737 (73J)

Alaska Airlines AS399
Valid until 2025-05-07
Mon
-
Tue
-
Wed
Thu
-
Fri
-
Sat
Sun
-
Duration: 6:09, non-stop
Boeing 737 MAX 9 (7M9)

Alaska Airlines AS399
Effective 2025-05-09 through 2025-05-10
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
Sun
-
Duration: 6:09, non-stop
Boeing 737 MAX 9 (7M9)

Alaska Airlines AS399
Effective 2025-05-11 through 2025-05-14
Mon
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
Duration: 6:09, non-stop
Boeing 737 (73J)
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This flight number is listed as serving the following routes:
  • George Bush, Houston (IAH) - Seattle-Tacoma (SEA)
  • Orlando (MCO) - San Francisco (SFO)
  • San Diego (SAN) - Portland (PDX)