Alaska Airlines flight AS 639: Multiple routes

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FLIGHT SCHEDULE
Direct Flights:
Daily 10:40 Everett (PAE) 13:45 Phoenix Sky Harbor (PHX) 3
AS 639 Non-stop Boeing 737 (73J) 3:05 Effective from 2026-10-03
Daily 18:27 Santa Barbara (SBA) 21:00 Seattle-Tacoma (SEA)
AS 639 Non-stop Boeing 737-800 (73H) 2:33 Effective 2026-05-13 through 2026-06-09
Tue 21:12 Seattle-Tacoma (SEA) 05:40 Tampa (TPA)
AS 639 Non-stop Boeing 737 (73J) 5:28 Operates only on 2026-01-06
The flight arrives 1 day after departure.
Thu,Sat 21:26 Seattle-Tacoma (SEA) 05:45 Tampa (TPA)
AS 639 Non-stop Boeing 737 (73J) 5:19 Effective 2026-02-12 through 2026-02-14
The flight arrives 1 day after departure.
Mon-Fri,Sun 21:26 Seattle-Tacoma (SEA) 05:45 Tampa (TPA)
AS 639 Non-stop Boeing 737 MAX 9 (7M9) 5:19 Effective 2026-02-13 through 2026-02-19
The flight arrives 1 day after departure.
Fri,Sat 21:26 Seattle-Tacoma (SEA) 05:45 Tampa (TPA)
AS 639 Non-stop Boeing 737 (73J) 5:19 Effective 2026-02-20 through 2026-02-28
The flight arrives 1 day after departure.
Mon-Thu,Sun 21:26 Seattle-Tacoma (SEA) 05:45 Tampa (TPA)
AS 639 Non-stop Boeing 737 MAX 9 (7M9) 5:19 Effective 2026-02-22 through 2026-02-26
The flight arrives 1 day after departure.
Fri,Sun 21:26 Seattle-Tacoma (SEA) 05:45 Tampa (TPA)
AS 639 Non-stop Boeing 737 (73J) 5:19 Effective 2026-03-01 through 2026-03-08
The flight arrives 1 day after departure.
Mon-Thu 21:26 Seattle-Tacoma (SEA) 05:45 Tampa (TPA)
AS 639 Non-stop Boeing 737 MAX 9 (7M9) 5:19 Effective 2026-03-02 through 2026-03-11
The flight arrives 1 day after departure.
Mon,Thu,Fri 21:26 Seattle-Tacoma (SEA) 05:45 Tampa (TPA)
AS 639 Non-stop Boeing 737 (73J) 5:19 Effective 2026-03-12 through 2026-03-16
The flight arrives 1 day after departure.
Sat 21:26 Seattle-Tacoma (SEA) 05:45 Tampa (TPA)
AS 639 Non-stop Boeing 737 MAX 9 (7M9) 5:19 Operates only on 2026-03-14
The flight arrives 1 day after departure.
Tue,Sun 21:26 Seattle-Tacoma (SEA) 05:45 Tampa (TPA)
AS 639 Non-stop Boeing 737-800 (73H) 5:19 Effective 2026-03-15 through 2026-03-17
The flight arrives 1 day after departure.
Sat 21:51 Seattle-Tacoma (SEA) 06:19 Tampa (TPA)
AS 639 Non-stop Boeing 737 (73J) 5:28 Valid until 2026-01-03
The flight arrives 1 day after departure.
Mon-Fri,Sun 21:51 Seattle-Tacoma (SEA) 06:19 Tampa (TPA)
AS 639 Non-stop Boeing 737 MAX 9 (7M9) 5:28 Valid until 2026-01-05
The flight arrives 1 day after departure.
Sat 21:58 Seattle-Tacoma (SEA) 07:20 Tampa (TPA)
AS 639 Non-stop Boeing 737 (73J) 5:22 Operates only on 2026-03-07
The flight arrives 1 day after departure.
Wed 22:45 Seattle-Tacoma (SEA) 07:19 Tampa (TPA)
AS 639 Non-stop Boeing 737 (73J) 5:34 Operates only on 2026-03-18
The flight arrives 1 day after departure.
Daily 22:45 Seattle-Tacoma (SEA) 07:11 Tampa (TPA)
AS 639 Non-stop Boeing 737 (73J) 5:26 Effective 2026-03-19 through 2026-05-12
The flight arrives 1 day after departure.
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This flight number is listed as serving the following routes:
Alaska Airlines flight AS 639: Multiple routes
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Select flight date:
FLIGHT SCHEDULE
Direct Flights:

Alaska Airlines AS639
Effective from 2026-10-03
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 3:05, non-stop
Boeing 737 (73J)

Direct Flights:

Alaska Airlines AS639
Effective 2026-05-13 through 2026-06-09
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:33, non-stop
Boeing 737-800 (73H)

Direct Flights:

Alaska Airlines AS639
Operates only on 2026-01-06
Mon
-
Tue
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 5:28, non-stop
Boeing 737 (73J)
The flight arrives 1 day after departure.

Direct Flights:

Alaska Airlines AS639
Effective 2026-02-12 through 2026-02-14
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
Sun
-
Duration: 5:19, non-stop
Boeing 737 (73J)
The flight arrives 1 day after departure.

Direct Flights:

Alaska Airlines AS639
Effective 2026-02-13 through 2026-02-19
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 5:19, non-stop
Boeing 737 MAX 9 (7M9)
The flight arrives 1 day after departure.

Direct Flights:

Alaska Airlines AS639
Effective 2026-02-20 through 2026-02-28
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
Sun
-
Duration: 5:19, non-stop
Boeing 737 (73J)
The flight arrives 1 day after departure.

Direct Flights:

Alaska Airlines AS639
Effective 2026-02-22 through 2026-02-26
Mon
Tue
Wed
Thu
Fri
-
Sat
-
Sun
Duration: 5:19, non-stop
Boeing 737 MAX 9 (7M9)
The flight arrives 1 day after departure.

Direct Flights:

Alaska Airlines AS639
Effective 2026-03-01 through 2026-03-08
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
Duration: 5:19, non-stop
Boeing 737 (73J)
The flight arrives 1 day after departure.

Direct Flights:

Alaska Airlines AS639
Effective 2026-03-02 through 2026-03-11
Mon
Tue
Wed
Thu
Fri
-
Sat
-
Sun
-
Duration: 5:19, non-stop
Boeing 737 MAX 9 (7M9)
The flight arrives 1 day after departure.

Direct Flights:

Alaska Airlines AS639
Effective 2026-03-12 through 2026-03-16
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 5:19, non-stop
Boeing 737 (73J)
The flight arrives 1 day after departure.

Direct Flights:

Alaska Airlines AS639
Operates only on 2026-03-14
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 5:19, non-stop
Boeing 737 MAX 9 (7M9)
The flight arrives 1 day after departure.

Direct Flights:

Alaska Airlines AS639
Effective 2026-03-15 through 2026-03-17
Mon
-
Tue
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 5:19, non-stop
Boeing 737-800 (73H)
The flight arrives 1 day after departure.

Direct Flights:

Alaska Airlines AS639
Valid until 2026-01-03
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 5:28, non-stop
Boeing 737 (73J)
The flight arrives 1 day after departure.

Direct Flights:

Alaska Airlines AS639
Valid until 2026-01-05
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 5:28, non-stop
Boeing 737 MAX 9 (7M9)
The flight arrives 1 day after departure.

Direct Flights:

Alaska Airlines AS639
Operates only on 2026-03-07
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 5:22, non-stop
Boeing 737 (73J)
The flight arrives 1 day after departure.

Direct Flights:

Alaska Airlines AS639
Operates only on 2026-03-18
Mon
-
Tue
-
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 5:34, non-stop
Boeing 737 (73J)
The flight arrives 1 day after departure.

Direct Flights:

Alaska Airlines AS639
Effective 2026-03-19 through 2026-05-12
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 5:26, non-stop
Boeing 737 (73J)
The flight arrives 1 day after departure.
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Parallax here -
This flight number is listed as serving the following routes:
  • Everett (PAE) - Phoenix Sky Harbor (PHX)
  • Santa Barbara (SBA) - Seattle-Tacoma (SEA)
  • Seattle-Tacoma (SEA) - Tampa (TPA)