Alaska Airlines
flug
AS 521:
Multiple routes
FLUGPLAN
Direktflüge:
Alaska Airlines AS521
Effective 2026-02-12 through 2026-02-23
Mo
Di
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Mi
Do
Fr
Sa
So
Duration: 2:14, non-stop
Boeing 737 (73J)
Boeing 737 (73J)
Direktflüge:
Alaska Airlines AS521
Operates only on 2026-02-17
Mo
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Mi
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Do
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Fr
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Sa
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Duration: 2:14, non-stop
Boeing 737 MAX 9 (7M9)
Boeing 737 MAX 9 (7M9)
Direktflüge:
Alaska Airlines AS521
Effective 2026-02-24 through 2026-03-15
Mo
Di
Mi
Do
Fr
Sa
So
Duration: 2:14, non-stop
Boeing 737 (73J)
Boeing 737 (73J)
Direktflüge:
Alaska Airlines AS521
Effective 2026-03-16 through 2026-03-17
Mo
Di
Mi
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Do
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Fr
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Sa
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So
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Duration: 2:14, non-stop
Boeing 737 MAX 9 (7M9)
Boeing 737 MAX 9 (7M9)
Direktflüge:
Alaska Airlines AS521
Operates only on 2026-01-07
Mo
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Di
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Mi
Do
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Fr
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Sa
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So
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Duration: 2:12, non-stop
Boeing 737-800 (73H)
Boeing 737-800 (73H)
Direktflüge:
Alaska Airlines AS521
Effective 2026-01-08 through 2026-01-12
Mo
Di
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Mi
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Do
Fr
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Sa
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So
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Duration: 2:12, non-stop
Boeing 737 MAX 9 (7M9)
Boeing 737 MAX 9 (7M9)
Direktflüge:
Alaska Airlines AS521
Effective 2026-01-09 through 2026-01-23
Mo
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-
Di
Mi
Do
Fr
Sa
So
Duration: 2:12, non-stop
Boeing 737 (73J)
Boeing 737 (73J)
Direktflüge:
Alaska Airlines AS521
Operates only on 2026-01-19
Mo
Di
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Mi
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Do
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Fr
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Sa
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So
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Duration: 2:12, non-stop
Boeing 737 MAX 9 (7M9)
Boeing 737 MAX 9 (7M9)
Direktflüge:
Alaska Airlines AS521
Effective 2026-01-24 through 2026-01-26
Mo
Di
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Mi
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Do
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Fr
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Sa
So
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Duration: 2:12, non-stop
Boeing 737-800 (73H)
Boeing 737-800 (73H)
Direktflüge:
Alaska Airlines AS521
Effective 2026-01-25 through 2026-02-01
Mo
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Di
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Mi
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Do
Fr
Sa
So
Duration: 2:12, non-stop
Boeing 737 (73J)
Boeing 737 (73J)
Direktflüge:
Alaska Airlines AS521
Effective 2026-01-27 through 2026-01-28
Mo
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Di
Mi
Do
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Fr
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Sa
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So
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Duration: 2:12, non-stop
Boeing 737 MAX 9 (7M9)
Boeing 737 MAX 9 (7M9)
Direktflüge:
Alaska Airlines AS521
Effective 2026-02-02 through 2026-02-11
Mo
Di
Mi
Do
Fr
Sa
So
Duration: 2:12, non-stop
Boeing 737 (73J)
Boeing 737 (73J)
Direktflüge:
Alaska Airlines AS521
Effective 2026-06-10 through 2026-08-18
Mo
Di
Mi
Do
Fr
Sa
So
Duration: 2:11, non-stop
Boeing 737 (73J)
Boeing 737 (73J)
Direktflüge:
Alaska Airlines AS521
Effective 2026-05-13 through 2026-06-09
Mo
Di
Mi
Do
Fr
Sa
So
Duration: 4:38, non-stop
Boeing 737 (73J)
Boeing 737 (73J)
Direktflüge:
Alaska Airlines AS521
Effective from 2026-08-19
Mo
Di
Mi
Do
Fr
Sa
So
Duration: 2:11, non-stop
Boeing 737 (73J)
Boeing 737 (73J)
Direktflüge:
Alaska Airlines AS521
Operates only on 2026-03-18
Mo
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Di
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Mi
Do
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Fr
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Sa
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So
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Duration: 2:09, non-stop
Boeing 737 (73J)
Boeing 737 (73J)
Direktflüge:
Alaska Airlines AS521
Effective 2026-03-19 through 2026-05-12
Mo
Di
Mi
Do
Fr
Sa
So
Duration: 2:10, non-stop
Boeing 737 (73J)
Boeing 737 (73J)
Direktflüge:
Alaska Airlines AS521
Valid until 2026-01-01
Mo
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Di
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Mi
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Do
Fr
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Sa
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So
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Duration: 2:13, non-stop
Boeing 737 MAX 9 (7M9)
Boeing 737 MAX 9 (7M9)
This flight number is listed as serving the following routes:
- Austin (AUS) - Seattle-Tacoma (SEA)
- San Jose (SJC) - Seattle-Tacoma (SEA)