Alaska Airlines flight AS 4312: Multiple routes

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FLIGHT SCHEDULE
Direct Codeshare Flights:
Tue 06:51 Chicago O'Hare (ORD) 3 08:24 Minneapolis/Saint Paul (MSP) 1
AS 4312 Non-stop Embraer EMB 170 / EMB 175 (E70) 1:33 Effective 2025-07-08 through 2025-08-05
Codeshare flight, operated by American Airlines.(AA 4199)
Daily 08:25 Chicago O'Hare (ORD) 3 11:44 Montreal-Trudeau (YUL)
AS 4312 Non-stop Embraer EMB 170 / EMB 175 (E70) 2:19 Valid until 2025-05-04
Codeshare flight, operated by American Airlines.(AA 3600)
Mon,Tue,Fri 08:26 Dallas Fort Worth (DFW) 11:46 Atlanta (ATL) N
AS 4312 Non-stop Boeing 737-800 (738) 2:20 Effective 2025-06-30 through 2025-07-04
Codeshare flight, operated by American Airlines.(AA 1276)
Mon,Tue,Sun 08:40 El Paso (ELP) 09:10 Phoenix Sky Harbor (PHX) 4
AS 4312 Non-stop Embraer EMB 175 (E75) 1:30 Effective 2025-06-01 through 2025-06-03
Codeshare flight, operated by American Airlines.(AA 6204)
Daily 09:30 Phoenix Sky Harbor (PHX) 4 10:59 Albuquerque (ABQ)
AS 4312 Non-stop Embraer EMB 175 (E75) 1:29 Effective 2025-11-08 through 2025-11-20
Codeshare flight, operated by American Airlines.(AA 6383)
Sat 09:30 Phoenix Sky Harbor (PHX) 4 10:59 Albuquerque (ABQ)
AS 4312 Non-stop Embraer EMB 175 (E75) 1:29 Effective 2025-11-22 through 2025-11-29
Codeshare flight, operated by American Airlines.(AA 6383)
Mon,Tue,Sun 09:30 Phoenix Sky Harbor (PHX) 4 10:59 Albuquerque (ABQ)
AS 4312 Non-stop Embraer EMB 175 (E75) 1:29 Effective 2025-11-30 through 2025-12-02
Codeshare flight, operated by American Airlines.(AA 6383)
Sat 09:30 Phoenix Sky Harbor (PHX) 4 11:00 Albuquerque (ABQ)
AS 4312 Non-stop Embraer EMB 175 (E75) 1:30 Operates only on 2025-12-06
Codeshare flight, operated by American Airlines.(AA 6383)
Thu-Sat 09:30 Phoenix Sky Harbor (PHX) 4 11:02 Albuquerque (ABQ)
AS 4312 Non-stop Embraer EMB 175 (E75) 1:32 Effective 2025-12-18 through 2025-12-20
Codeshare flight, operated by American Airlines.(AA 6383)
Sat 09:30 Phoenix Sky Harbor (PHX) 4 11:02 Albuquerque (ABQ)
AS 4312 Non-stop Embraer EMB 175 (E75) 1:32 Effective 2025-12-27 through 2026-01-03
Codeshare flight, operated by American Airlines.(AA 6383)
Sat 09:30 Phoenix Sky Harbor (PHX) 4 10:54 Albuquerque (ABQ)
AS 4312 Non-stop Embraer EMB 175 (E75) 1:24 Effective 2026-01-10 through 2026-02-07
Codeshare flight, operated by American Airlines.(AA 6383)
Mon-Wed,Sun 09:30 Phoenix Sky Harbor (PHX) 4 10:54 Albuquerque (ABQ)
AS 4312 Non-stop Embraer EMB 175 (E75) 1:24 Effective 2026-02-08 through 2026-02-11
Codeshare flight, operated by American Airlines.(AA 6383)
Mon-Fri,Sun 13:15 Phoenix Sky Harbor (PHX) 4 14:49 Grand Junction (GJT)
AS 4312 Non-stop Embraer EMB 175 (E75) 1:34 Effective 2025-12-21 through 2026-02-06
Codeshare flight, operated by American Airlines.(AA 6471)
Daily 13:15 Phoenix Sky Harbor (PHX) 4 14:50 Grand Junction (GJT)
AS 4312 Non-stop Embraer EMB 175 (E75) 1:35 Effective from 2026-02-12
Codeshare flight, operated by American Airlines.(AA 6471)
Sat 13:30 Chicago O'Hare (ORD) 3 14:33 Madison (MSN)
AS 4312 Non-stop Embraer EMB 170 / EMB 175 (E70) 1:03 Effective 2025-08-09 through 2025-08-30
Codeshare flight, operated by American Airlines.(AA 4038)
Daily 14:40 Dallas Fort Worth (DFW) 15:58 Little Rock (LIT)
AS 4312 Non-stop Embraer EMB 175 (E75) 1:18 Effective 2025-10-06 through 2025-10-25
Codeshare flight, operated by American Airlines.(AA 4309)
Mon-Fri,Sun 14:44 Chicago O'Hare (ORD) 3 17:05 Dayton (DAY)
AS 4312 Non-stop Canadair CRJ 700 (CR7) 1:21 Effective 2025-08-06 through 2025-09-02
Codeshare flight, operated by American Airlines.(AA 5143)
Wed 14:47 Chicago O'Hare (ORD) 3 17:00 Dayton (DAY)
AS 4312 Non-stop Embraer ERJ 145 (ER4) 1:13 Operates only on 2025-06-04
Codeshare flight, operated by American Airlines.(AA 5815)
Mon-Fri,Sun 14:50 Dallas Fort Worth (DFW) E 16:07 Lubbock (LBB)
AS 4312 Non-stop Canadair CRJ 700 (CR7) 1:17 Effective 2025-12-03 through 2025-12-12
Codeshare flight, operated by American Airlines.(AA 6342)
Mon-Wed,Sat,Sun 14:50 Dallas Fort Worth (DFW) E 16:07 Lubbock (LBB)
AS 4312 Non-stop Canadair CRJ 700 (CR7) 1:17 Effective 2025-12-13 through 2025-12-17
Codeshare flight, operated by American Airlines.(AA 6342)
Sat 15:03 Madison (MSN) 16:08 Chicago O'Hare (ORD) 3
AS 4312 Non-stop Embraer EMB 170 / EMB 175 (E70) 1:05 Effective 2025-08-09 through 2025-08-30
Codeshare flight, operated by American Airlines.(AA 4038)
Daily 16:35 Dallas Fort Worth (DFW) 20:11 Raleigh/Durham (RDU) 2
AS 4312 Non-stop Airbus A321 (321) 2:36 Effective 2025-10-26 through 2025-11-01
Codeshare flight, operated by American Airlines.(AA 2513)
Mon-Fri,Sun 17:20 John Glenn Columbus (CMH) 19:21 Los Angeles (LAX)
AS 4312 Non-stop Boeing 737-800 (738) 5:01 Effective 2025-05-05 through 2025-05-30
Codeshare flight, operated by American Airlines.(AA 1694)
Wed 17:45 Chicago O'Hare (ORD) 3 20:07 John Glenn Columbus (CMH)
AS 4312 Non-stop Embraer EMB 175 (E75) 1:22 Operates only on 2025-07-02
Codeshare flight, operated by American Airlines.(AA 4445)
Daily 17:45 John Glenn Columbus (CMH) 19:30 Los Angeles (LAX)
AS 4312 Non-stop Boeing 737-800 (738) 4:45 Effective 2025-09-03 through 2025-09-29
Codeshare flight, operated by American Airlines.(AA 2486)
Tue 18:39 Knoxville (TYS) 19:37 Chicago O'Hare (ORD) 3
AS 4312 Non-stop Canadair CRJ 700 (CR7) 1:58 Operates only on 2025-09-30
Codeshare flight, operated by American Airlines.(AA 5143)
Mon,Wed-Fri,Sun 18:41 Chicago O'Hare (ORD) 3 21:17 John Glenn Columbus (CMH)
AS 4312 Non-stop Embraer EMB 175 (E75) 1:36 Effective 2025-07-06 through 2025-08-04
Codeshare flight, operated by American Airlines.(AA 4445)
Sat 20:20 Chicago O'Hare (ORD) 3 23:44 Boston Logan (BOS) B
AS 4312 Non-stop Embraer EMB 175 (E75) 2:24 Effective 2025-05-10 through 2025-05-31
Codeshare flight, operated by American Airlines.(AA 4796)
Wed-Sun 20:26 Fayetteville/Springdale (XNA) 21:50 Dallas Fort Worth (DFW)
AS 4312 Non-stop Embraer EMB 175 (E75) 1:24 Effective 2025-10-01 through 2025-10-05
Codeshare flight, operated by American Airlines.(AA 3504)
Sat 21:10 Chicago O'Hare (ORD) 3 23:39 John Glenn Columbus (CMH)
AS 4312 Non-stop Embraer EMB 175 (E75) 1:29 Effective 2025-07-05 through 2025-08-02
Codeshare flight, operated by American Airlines.(AA 4445)
Daily 22:08 Chicago O'Hare (ORD) 3 00:35 John Glenn Columbus (CMH)
AS 4312 Non-stop Embraer EMB 175 (E75) 1:27 Effective 2025-06-05 through 2025-06-29
Codeshare flight, operated by American Airlines.(AA 4445)
The flight arrives 1 day after departure.
Thu 22:08 Chicago O'Hare (ORD) 3 00:35 John Glenn Columbus (CMH)
AS 4312 Non-stop Embraer EMB 175 (E75) 1:27 Operates only on 2025-07-03
Codeshare flight, operated by American Airlines.(AA 4445)
The flight arrives 1 day after departure.
Mon-Fri,Sun 22:40 Dallas Fort Worth (DFW) E 23:33 Tyler (TYR)
AS 4312 Non-stop Canadair CRJ 700 (CR7) 0:53 Effective 2025-11-02 through 2025-11-07
Codeshare flight, operated by American Airlines.(AA 6350)
Mon-Fri,Sun 22:40 Dallas Fort Worth (DFW) E 23:33 Tyler (TYR)
AS 4312 Non-stop Canadair CRJ 700 (CR7) 0:53 Effective 2025-11-21 through 2025-11-28
Codeshare flight, operated by American Airlines.(AA 6350)
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This flight number is listed as serving the following routes:
Alaska Airlines flight AS 4312: Multiple routes
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FLIGHT SCHEDULE
Direct Codeshare Flights:

Alaska Airlines AS4312
Effective 2025-07-08 through 2025-08-05
Mon
-
Tue
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by American Airlines. (AA 4199)
Duration: 1:33, non-stop
Embraer EMB 170 / EMB 175 (E70)

Alaska Airlines AS4312
Valid until 2025-05-04
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 3600)
Duration: 2:19, non-stop
Embraer EMB 170 / EMB 175 (E70)

Alaska Airlines AS4312
Effective 2025-06-30 through 2025-07-04
Mon
Tue
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Codeshare flight, operated by American Airlines. (AA 1276)
Duration: 2:20, non-stop
Boeing 737-800 (738)

Alaska Airlines AS4312
Effective 2025-06-01 through 2025-06-03
Mon
Tue
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Codeshare flight, operated by American Airlines. (AA 6204)
Duration: 1:30, non-stop
Embraer EMB 175 (E75)

Alaska Airlines AS4312
Effective 2025-11-08 through 2025-11-20
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 6383)
Duration: 1:29, non-stop
Embraer EMB 175 (E75)

Alaska Airlines AS4312
Effective 2025-11-22 through 2025-11-29
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by American Airlines. (AA 6383)
Duration: 1:29, non-stop
Embraer EMB 175 (E75)

Alaska Airlines AS4312
Effective 2025-11-30 through 2025-12-02
Mon
Tue
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Codeshare flight, operated by American Airlines. (AA 6383)
Duration: 1:29, non-stop
Embraer EMB 175 (E75)

Alaska Airlines AS4312
Operates only on 2025-12-06
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by American Airlines. (AA 6383)
Duration: 1:30, non-stop
Embraer EMB 175 (E75)

Alaska Airlines AS4312
Effective 2025-12-18 through 2025-12-20
Mon
-
Tue
-
Wed
-
Thu
Fri
Sat
Sun
-
Codeshare flight, operated by American Airlines. (AA 6383)
Duration: 1:32, non-stop
Embraer EMB 175 (E75)

Alaska Airlines AS4312
Effective 2025-12-27 through 2026-01-03
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by American Airlines. (AA 6383)
Duration: 1:32, non-stop
Embraer EMB 175 (E75)

Alaska Airlines AS4312
Effective 2026-01-10 through 2026-02-07
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by American Airlines. (AA 6383)
Duration: 1:24, non-stop
Embraer EMB 175 (E75)

Alaska Airlines AS4312
Effective 2026-02-08 through 2026-02-11
Mon
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
Codeshare flight, operated by American Airlines. (AA 6383)
Duration: 1:24, non-stop
Embraer EMB 175 (E75)

Alaska Airlines AS4312
Effective 2025-12-21 through 2026-02-06
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Codeshare flight, operated by American Airlines. (AA 6471)
Duration: 1:34, non-stop
Embraer EMB 175 (E75)

Alaska Airlines AS4312
Effective from 2026-02-12
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 6471)
Duration: 1:35, non-stop
Embraer EMB 175 (E75)

Alaska Airlines AS4312
Effective 2025-08-09 through 2025-08-30
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by American Airlines. (AA 4038)
Duration: 1:03, non-stop
Embraer EMB 170 / EMB 175 (E70)

Alaska Airlines AS4312
Effective 2025-10-06 through 2025-10-25
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 4309)
Duration: 1:18, non-stop
Embraer EMB 175 (E75)

Alaska Airlines AS4312
Effective 2025-08-06 through 2025-09-02
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Codeshare flight, operated by American Airlines. (AA 5143)
Duration: 1:21, non-stop
Canadair CRJ 700 (CR7)

Alaska Airlines AS4312
Operates only on 2025-06-04
Mon
-
Tue
-
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by American Airlines. (AA 5815)
Duration: 1:13, non-stop
Embraer ERJ 145 (ER4)

Alaska Airlines AS4312
Effective 2025-12-03 through 2025-12-12
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Codeshare flight, operated by American Airlines. (AA 6342)
Duration: 1:17, non-stop
Canadair CRJ 700 (CR7)

Alaska Airlines AS4312
Effective 2025-12-13 through 2025-12-17
Mon
Tue
Wed
Thu
-
Fri
-
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 6342)
Duration: 1:17, non-stop
Canadair CRJ 700 (CR7)

Alaska Airlines AS4312
Effective 2025-08-09 through 2025-08-30
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by American Airlines. (AA 4038)
Duration: 1:05, non-stop
Embraer EMB 170 / EMB 175 (E70)

Alaska Airlines AS4312
Effective 2025-10-26 through 2025-11-01
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 2513)
Duration: 2:36, non-stop
Airbus A321 (321)

Alaska Airlines AS4312
Effective 2025-05-05 through 2025-05-30
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Codeshare flight, operated by American Airlines. (AA 1694)
Duration: 5:01, non-stop
Boeing 737-800 (738)

Alaska Airlines AS4312
Operates only on 2025-07-02
Mon
-
Tue
-
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by American Airlines. (AA 4445)
Duration: 1:22, non-stop
Embraer EMB 175 (E75)

Alaska Airlines AS4312
Effective 2025-09-03 through 2025-09-29
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 2486)
Duration: 4:45, non-stop
Boeing 737-800 (738)

Alaska Airlines AS4312
Operates only on 2025-09-30
Mon
-
Tue
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by American Airlines. (AA 5143)
Duration: 1:58, non-stop
Canadair CRJ 700 (CR7)

Alaska Airlines AS4312
Effective 2025-07-06 through 2025-08-04
Mon
Tue
-
Wed
Thu
Fri
Sat
-
Sun
Codeshare flight, operated by American Airlines. (AA 4445)
Duration: 1:36, non-stop
Embraer EMB 175 (E75)

Alaska Airlines AS4312
Effective 2025-05-10 through 2025-05-31
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by American Airlines. (AA 4796)
Duration: 2:24, non-stop
Embraer EMB 175 (E75)

Alaska Airlines AS4312
Effective 2025-10-01 through 2025-10-05
Mon
-
Tue
-
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 3504)
Duration: 1:24, non-stop
Embraer EMB 175 (E75)

Alaska Airlines AS4312
Effective 2025-07-05 through 2025-08-02
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by American Airlines. (AA 4445)
Duration: 1:29, non-stop
Embraer EMB 175 (E75)

Alaska Airlines AS4312
Effective 2025-06-05 through 2025-06-29
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 4445)
Duration: 1:27, non-stop
Embraer EMB 175 (E75)
The flight arrives 1 day after departure.

Alaska Airlines AS4312
Operates only on 2025-07-03
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by American Airlines. (AA 4445)
Duration: 1:27, non-stop
Embraer EMB 175 (E75)
The flight arrives 1 day after departure.

Alaska Airlines AS4312
Effective 2025-11-02 through 2025-11-07
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Codeshare flight, operated by American Airlines. (AA 6350)
Duration: 0:53, non-stop
Canadair CRJ 700 (CR7)

Alaska Airlines AS4312
Effective 2025-11-21 through 2025-11-28
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Codeshare flight, operated by American Airlines. (AA 6350)
Duration: 0:53, non-stop
Canadair CRJ 700 (CR7)
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This flight number is listed as serving the following routes:
  • Chicago O'Hare (ORD) - Boston Logan (BOS)
  • Chicago O'Hare (ORD) - Dayton (DAY)
  • Chicago O'Hare (ORD) - John Glenn Columbus (CMH)
  • Chicago O'Hare (ORD) - Madison (MSN)
  • Chicago O'Hare (ORD) - Minneapolis/Saint Paul (MSP)
  • Chicago O'Hare (ORD) - Montreal-Trudeau (YUL)
  • Dallas Fort Worth (DFW) - Atlanta (ATL)
  • Dallas Fort Worth (DFW) - Little Rock (LIT)
  • Dallas Fort Worth (DFW) - Lubbock (LBB)
  • Dallas Fort Worth (DFW) - Raleigh/Durham (RDU)
  • Dallas Fort Worth (DFW) - Tyler (TYR)
  • El Paso (ELP) - Phoenix Sky Harbor (PHX)
  • Fayetteville/Springdale (XNA) - Dallas Fort Worth (DFW)
  • John Glenn Columbus (CMH) - Los Angeles (LAX)
  • Knoxville (TYS) - Chicago O'Hare (ORD)
  • Phoenix Sky Harbor (PHX) - Albuquerque (ABQ)
  • Phoenix Sky Harbor (PHX) - Grand Junction (GJT)