Alaska Airlines
flight
AS 4312:
Multiple routes
FLIGHT SCHEDULE
Direct Codeshare Flights:
Alaska Airlines AS4312
Effective from 2026-10-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines.
(AA 4436)
Duration: 1:39, non-stop Embraer EMB 175 (E75)
Direct Codeshare Flights:
Alaska Airlines AS4312
Valid until 2026-01-01
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 2390)
Duration: 2:07, non-stop Boeing 737 MAX 8 (7M8)
Direct Codeshare Flights:
Alaska Airlines AS4312
Effective 2026-01-06 through 2026-01-28
Mon
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Tue
Wed
Thu
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Fri
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Sat
Sun
Codeshare flight, operated by American Airlines.
(AA 2333)
Duration: 2:04, non-stop Airbus A321 (321)
Direct Codeshare Flights:
Alaska Airlines AS4312
Effective 2026-01-30 through 2026-02-11
Mon
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Tue
Wed
Thu
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Fri
Sat
Sun
Codeshare flight, operated by American Airlines.
(AA 2333)
Duration: 2:04, non-stop Airbus A321 (321)
Direct Codeshare Flights:
Alaska Airlines AS4312
Valid until 2026-01-03
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 6383)
Duration: 1:35, non-stop Canadair CRJ 700 (CR7)
Direct Codeshare Flights:
Alaska Airlines AS4312
Effective 2026-03-24 through 2026-03-31
Mon
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Tue
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 2513)
Duration: 2:37, non-stop Boeing 737-800 (738)
Direct Codeshare Flights:
Alaska Airlines AS4312
Effective 2026-02-14 through 2026-03-07
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 5666)
Duration: 1:43, non-stop Canadair CRJ 700 (CR7)
Direct Codeshare Flights:
Alaska Airlines AS4312
Effective 2026-03-14 through 2026-04-04
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
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Codeshare flight, operated by American Airlines.
(AA 5666)
Duration: 1:45, non-stop Canadair CRJ 700 (CR7)
Direct Codeshare Flights:
Alaska Airlines AS4312
Effective 2026-02-17 through 2026-03-04
Mon
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Tue
Wed
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 5666)
Duration: 1:14, non-stop Canadair CRJ 700 (CR7)
Direct Codeshare Flights:
Alaska Airlines AS4312
Effective 2026-02-12 through 2026-03-02
Mon
Tue
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Wed
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Thu
Fri
Sat
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-
Sun
Codeshare flight, operated by American Airlines.
(AA 5666)
Duration: 1:14, non-stop Canadair CRJ 700 (CR7)
Direct Codeshare Flights:
Alaska Airlines AS4312
Effective from 2026-10-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines.
(AA 4436)
Duration: 1:45, non-stop Embraer EMB 175 (E75)
Direct Codeshare Flights:
Alaska Airlines AS4312
Valid until 2026-01-01
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 2390)
Duration: 2:46, non-stop Boeing 737 MAX 8 (7M8)
Direct Codeshare Flights:
Alaska Airlines AS4312
Effective 2026-02-14 through 2026-04-04
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
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Codeshare flight, operated by American Airlines.
(AA 5666)
Duration: 1:43, non-stop Canadair CRJ 700 (CR7)
Direct Codeshare Flights:
Alaska Airlines AS4312
Effective 2026-01-06 through 2026-01-28
Mon
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-
Tue
Wed
Thu
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-
Fri
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-
Sat
Sun
Codeshare flight, operated by American Airlines.
(AA 2333)
Duration: 2:36, non-stop Airbus A321 (321)
Direct Codeshare Flights:
Alaska Airlines AS4312
Effective 2026-01-30 through 2026-02-11
Mon
-
-
Tue
Wed
Thu
-
-
Fri
Sat
Sun
Codeshare flight, operated by American Airlines.
(AA 2333)
Duration: 2:36, non-stop Airbus A321 (321)
Direct Codeshare Flights:
Alaska Airlines AS4312
Effective 2026-02-12 through 2026-03-04
Mon
Tue
Wed
Thu
Fri
Sat
-
-
Sun
Codeshare flight, operated by American Airlines.
(AA 5666)
Duration: 1:37, non-stop Canadair CRJ 700 (CR7)
Direct Codeshare Flights:
Alaska Airlines AS4312
Valid until 2026-01-05
Mon
Tue
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Wed
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 1051)
Duration: 2:02, non-stop Airbus A321 (321)
Direct Codeshare Flights:
Alaska Airlines AS4312
Effective 2026-03-24 through 2026-03-31
Mon
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Tue
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 2513)
Duration: 3:26, non-stop Boeing 737-800 (738)
Direct Codeshare Flights:
Alaska Airlines AS4312
Effective 2026-03-05 through 2026-03-06
Mon
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Tue
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Wed
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Thu
Fri
Sat
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Sun
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Codeshare flight, operated by American Airlines.
(AA 2513)
Duration: 2:35, non-stop Boeing 737-800 (738)
Direct Codeshare Flights:
Alaska Airlines AS4312
Effective 2026-03-08 through 2026-04-06
Mon
Tue
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-
Wed
Thu
Fri
Sat
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-
Sun
Codeshare flight, operated by American Airlines.
(AA 2513)
Duration: 2:40, non-stop Boeing 737-800 (738)
Direct Codeshare Flights:
Alaska Airlines AS4312
Effective 2026-07-02 through 2026-08-04
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines.
(AA 4445)
Duration: 1:36, non-stop Embraer EMB 175 (E75)
Direct Codeshare Flights:
Alaska Airlines AS4312
Effective 2026-09-09 through 2026-10-04
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines.
(AA 3752)
Duration: 2:17, non-stop Embraer EMB 170 / EMB 175 (E70)
Direct Codeshare Flights:
Alaska Airlines AS4312
Effective 2026-05-21 through 2026-07-01
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines.
(AA 4445)
Duration: 1:26, non-stop Embraer EMB 175 (E75)
Direct Codeshare Flights:
Alaska Airlines AS4312
Effective 2026-08-05 through 2026-09-08
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines.
(AA 3653)
Duration: 1:20, non-stop Embraer EMB 175 (E75)
This flight number is listed as serving the following routes:
- Atlanta (ATL) - Dallas Fort Worth (DFW)
- Chicago O'Hare (ORD) - John Glenn Columbus (CMH)
- Chicago O'Hare (ORD) - Omaha (OMA)
- Chicago O'Hare (ORD) - White Plains (HPN)
- Dallas Fort Worth (DFW) - Raleigh/Durham (RDU)
- Fayetteville/Springdale (XNA) - Dallas Fort Worth (DFW)
- Minneapolis/Saint Paul (MSP) - Chicago O'Hare (ORD)
- Phoenix Sky Harbor (PHX) - Albuquerque (ABQ)
- Traverse City (TVC) - Chicago O'Hare (ORD)