Alaska Airlines
flight
AS 4509:
Multiple routes
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FLIGHT SCHEDULE
Direct Codeshare Flights:
Alaska Airlines AS4509
Effective 2026-03-08 through 2026-04-06
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines.
(AA 888)
Duration: 1:20, non-stop Airbus A321 (321)
Direct Codeshare Flights:
Alaska Airlines AS4509
Effective 2026-03-05 through 2026-03-07
Mon
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Tue
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Wed
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Thu
Fri
Sat
Sun
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Codeshare flight, operated by American Airlines.
(AA 2070)
Duration: 1:16, non-stop Airbus A321 (321)
Direct Codeshare Flights:
Alaska Airlines AS4509
Effective 2026-01-06 through 2026-02-11
Mon
Tue
Wed
Thu
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-
Fri
Sat
Sun
Codeshare flight, operated by American Airlines.
(AA 888)
Duration: 1:20, non-stop Boeing 737-800 (738)
Direct Codeshare Flights:
Alaska Airlines AS4509
Effective 2026-01-08 through 2026-02-05
Mon
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Tue
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Wed
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Thu
Fri
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Sat
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Sun
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Codeshare flight, operated by American Airlines.
(AA 888)
Duration: 1:16, non-stop Airbus A319 (319)
Direct Codeshare Flights:
Alaska Airlines AS4509
Effective 2026-01-02 through 2026-01-05
Mon
Tue
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Wed
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Thu
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Fri
Sat
Sun
Codeshare flight, operated by American Airlines.
(AA 3473)
Duration: 1:21, non-stop Embraer EMB 170 / EMB 175 (E70)
Direct Codeshare Flights:
Alaska Airlines AS4509
Effective 2026-02-20 through 2026-02-23
Mon
Tue
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Wed
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Thu
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Fri
Sat
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Sun
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Codeshare flight, operated by American Airlines.
(AA 1505)
Duration: 2:08, non-stop Boeing 737-800 (738)
Direct Codeshare Flights:
Alaska Airlines AS4509
Operates only on 2026-03-02
Mon
Tue
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Wed
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Thu
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Fri
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Sat
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Sun
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Codeshare flight, operated by American Airlines.
(AA 1505)
Duration: 2:08, non-stop Boeing 737-800 (738)
Direct Codeshare Flights:
Alaska Airlines AS4509
Effective 2026-04-14 through 2026-05-20
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines.
(AA 2176)
Duration: 2:04, non-stop Boeing 737-800 (738)
Direct Codeshare Flights:
Alaska Airlines AS4509
Effective 2026-02-14 through 2026-02-28
Mon
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Tue
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Wed
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Thu
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Fri
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Sat
Sun
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Codeshare flight, operated by American Airlines.
(AA 2366)
Duration: 2:09, non-stop Boeing 737-800 (738)
Direct Codeshare Flights:
Alaska Airlines AS4509
Effective 2026-07-02 through 2026-08-04
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines.
(AA 1787)
Duration: 2:04, non-stop Airbus A319 (319)
Direct Codeshare Flights:
Alaska Airlines AS4509
Effective 2026-05-21 through 2026-07-01
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines.
(AA 1787)
Duration: 2:01, non-stop Airbus A319 (319)
Direct Codeshare Flights:
Alaska Airlines AS4509
Effective 2026-08-05 through 2026-09-08
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines.
(AA 1787)
Duration: 2:00, non-stop Airbus A319 (319)
Direct Codeshare Flights:
Alaska Airlines AS4509
Effective from 2026-10-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines.
(AA 888)
Duration: 2:00, non-stop Airbus A319 (319)
Direct Codeshare Flights:
Alaska Airlines AS4509
Effective 2026-04-14 through 2026-05-20
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines.
(AA 2176)
Duration: 2:28, non-stop Boeing 737-800 (738)
Direct Codeshare Flights:
Alaska Airlines AS4509
Effective 2026-10-03 through 2026-10-04
Mon
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Tue
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Wed
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Thu
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Fri
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Sat
Sun
Codeshare flight, operated by American Airlines.
(AA 766)
Duration: 2:08, non-stop Boeing 737-800 (738)
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This flight number is listed as serving the following routes:
- Chicago O'Hare (ORD) - John Glenn Columbus (CMH)
- Chicago O'Hare (ORD) - Ronald Reagan Washington (DCA)
- Indianapolis (IND) - Dallas Fort Worth (DFW)
- San Antonio (SAT) - Dallas Fort Worth (DFW)