Alaska Airlines flug AS 421: Multiple routes

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Täglich 08:00 Seattle-Tacoma (SEA) 12:20 San Jose del Cabo (SJD) 2
AS 421 Non-stop Boeing 737 (73J) 4:20 Effective 2025-10-26 through 2025-11-01
Täglich 08:00 Seattle-Tacoma (SEA) 13:20 San Jose del Cabo (SJD) 2
AS 421 Non-stop Boeing 737 (73J) 4:20 Effective 2025-11-02 through 2025-12-01
Sa 08:00 Seattle-Tacoma (SEA) 13:20 San Jose del Cabo (SJD) 2
AS 421 Non-stop Boeing 737 (73J) 4:20 Effective 2025-12-06 through 2025-12-13
Täglich 08:00 Seattle-Tacoma (SEA) 13:20 San Jose del Cabo (SJD) 2
AS 421 Non-stop Boeing 737 (73J) 4:20 Effective from 2025-12-18
Do,So 15:30 Las Vegas Harry Reid (LAS) 3 17:11 San Francisco (SFO) 1
AS 421 Non-stop Boeing 737 MAX 9 (7M9) 1:41 Effective 2025-05-15 through 2025-05-22
Mi,Fr,Sa 15:30 Las Vegas Harry Reid (LAS) 3 17:11 San Francisco (SFO) 1
AS 421 Non-stop Boeing 737-900 (739) 1:41 Effective 2025-05-16 through 2025-05-21
Mo,Di,Fr-So 15:30 Las Vegas Harry Reid (LAS) 3 17:11 San Francisco (SFO) 1
AS 421 Non-stop Boeing 737 (73J) 1:41 Effective 2025-05-19 through 2025-05-25
Mo,Mi,Do,So 15:30 Las Vegas Harry Reid (LAS) 3 17:11 San Francisco (SFO) 1
AS 421 Non-stop Boeing 737-900 (739) 1:41 Effective 2025-05-26 through 2025-06-01
Mo,Di,Fr,Sa 15:30 Las Vegas Harry Reid (LAS) 3 17:11 San Francisco (SFO) 1
AS 421 Non-stop Boeing 737 (73J) 1:41 Effective 2025-05-27 through 2025-06-07
Mo,Mi,Do 15:30 Las Vegas Harry Reid (LAS) 3 17:11 San Francisco (SFO) 1
AS 421 Non-stop Boeing 737-900 (739) 1:41 Effective 2025-06-04 through 2025-06-09
Di,So 15:30 Las Vegas Harry Reid (LAS) 3 17:11 San Francisco (SFO) 1
AS 421 Non-stop Boeing 737 (73J) 1:41 Effective 2025-06-08 through 2025-06-10
Mi 15:30 Las Vegas Harry Reid (LAS) 3 17:11 San Francisco (SFO) 1
AS 421 Non-stop Boeing 737-800 (73H) 1:41 Operates only on 2025-06-11
Fr 15:55 Seattle-Tacoma (SEA) 00:23 Boston Logan (BOS) B
AS 421 Non-stop Boeing 737 (73J) 5:28 Operates only on 2025-10-03
The flight arrives 1 day after departure.
This flight number is listed as serving the following routes:
Alaska Airlines flug AS 421: Multiple routes
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Alaska Airlines AS421
Effective 2025-10-26 through 2025-11-01
Mo
Di
Mi
Do
Fr
Sa
So
Duration: 4:20, non-stop
Boeing 737 (73J)

Alaska Airlines AS421
Effective 2025-11-02 through 2025-12-01
Mo
Di
Mi
Do
Fr
Sa
So
Duration: 4:20, non-stop
Boeing 737 (73J)

Alaska Airlines AS421
Effective 2025-12-06 through 2025-12-13
Mo
-
Di
-
Mi
-
Do
-
Fr
-
Sa
So
-
Duration: 4:20, non-stop
Boeing 737 (73J)

Alaska Airlines AS421
Effective from 2025-12-18
Mo
Di
Mi
Do
Fr
Sa
So
Duration: 4:20, non-stop
Boeing 737 (73J)

Alaska Airlines AS421
Effective 2025-05-15 through 2025-05-22
Mo
-
Di
-
Mi
-
Do
Fr
-
Sa
-
So
Duration: 1:41, non-stop
Boeing 737 MAX 9 (7M9)

Alaska Airlines AS421
Effective 2025-05-16 through 2025-05-21
Mo
-
Di
-
Mi
Do
-
Fr
Sa
So
-
Duration: 1:41, non-stop
Boeing 737-900 (739)

Alaska Airlines AS421
Effective 2025-05-19 through 2025-05-25
Mo
Di
Mi
-
Do
-
Fr
Sa
So
Duration: 1:41, non-stop
Boeing 737 (73J)

Alaska Airlines AS421
Effective 2025-05-26 through 2025-06-01
Mo
Di
-
Mi
Do
Fr
-
Sa
-
So
Duration: 1:41, non-stop
Boeing 737-900 (739)

Alaska Airlines AS421
Effective 2025-05-27 through 2025-06-07
Mo
Di
Mi
-
Do
-
Fr
Sa
So
-
Duration: 1:41, non-stop
Boeing 737 (73J)

Alaska Airlines AS421
Effective 2025-06-04 through 2025-06-09
Mo
Di
-
Mi
Do
Fr
-
Sa
-
So
-
Duration: 1:41, non-stop
Boeing 737-900 (739)

Alaska Airlines AS421
Effective 2025-06-08 through 2025-06-10
Mo
-
Di
Mi
-
Do
-
Fr
-
Sa
-
So
Duration: 1:41, non-stop
Boeing 737 (73J)

Alaska Airlines AS421
Operates only on 2025-06-11
Mo
-
Di
-
Mi
Do
-
Fr
-
Sa
-
So
-
Duration: 1:41, non-stop
Boeing 737-800 (73H)

Alaska Airlines AS421
Operates only on 2025-10-03
Mo
-
Di
-
Mi
-
Do
-
Fr
Sa
-
So
-
Duration: 5:28, non-stop
Boeing 737 (73J)
The flight arrives 1 day after departure.
This flight number is listed as serving the following routes:
  • Las Vegas Harry Reid (LAS) - San Francisco (SFO)
  • Seattle-Tacoma (SEA) - Boston Logan (BOS)
  • Seattle-Tacoma (SEA) - San Jose del Cabo (SJD)