Alaska Airlines flight AS 4531: Multiple routes

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FLIGHT SCHEDULE
Direct Codeshare Flights:
Mon-Wed 05:15 Cleveland Hopkins (CLE) 06:37 Ronald Reagan Washington (DCA) 2
AS 4531 Non-stop Canadair CRJ 700 (CR7) 1:22 Effective 2025-06-02 through 2025-06-04
Codeshare flight, operated by American Airlines.(AA 5210)
Daily 05:32 Kansas City (MCI) 07:25 Chicago O'Hare (ORD) 3
AS 4531 Non-stop Boeing 737-800 (738) 1:53 Effective 2025-12-18 through 2026-01-05
Codeshare flight, operated by American Airlines.(AA 1764)
Daily 05:34 Kansas City (MCI) 07:25 Chicago O'Hare (ORD) 3
AS 4531 Non-stop Boeing 737-800 (738) 1:51 Effective 2025-12-03 through 2025-12-17
Codeshare flight, operated by American Airlines.(AA 1764)
Daily 05:43 Kansas City (MCI) 07:25 Chicago O'Hare (ORD) 3
AS 4531 Non-stop Boeing 737-800 (738) 1:42 Effective 2026-01-06 through 2026-02-11
Codeshare flight, operated by American Airlines.(AA 1764)
Daily 05:46 Kansas City (MCI) 07:25 Chicago O'Hare (ORD) 3
AS 4531 Non-stop Boeing 737-800 (738) 1:39 Effective from 2026-02-12
Codeshare flight, operated by American Airlines.(AA 1764)
Daily 05:47 Kansas City (MCI) 07:25 Chicago O'Hare (ORD) 3
AS 4531 Non-stop Airbus A319 (319) 1:38 Effective 2025-10-06 through 2025-11-01
Codeshare flight, operated by American Airlines.(AA 1764)
Daily 05:48 Kansas City (MCI) 07:25 Chicago O'Hare (ORD) 3
AS 4531 Non-stop Boeing 737-800 (738) 1:37 Effective 2025-11-02 through 2025-12-02
Codeshare flight, operated by American Airlines.(AA 1764)
Daily 06:06 Fayetteville/Springdale (XNA) 07:28 Dallas Fort Worth (DFW)
AS 4531 Non-stop Embraer EMB 175 (E75) 1:22 Effective 2025-09-03 through 2025-09-30
Codeshare flight, operated by American Airlines.(AA 3506)
Mon,Wed-Sun 09:50 Chicago O'Hare (ORD) 3 10:54 Moline (MLI)
AS 4531 Non-stop Embraer EMB 170 / EMB 175 (E70) 1:04 Effective 2025-06-05 through 2025-06-14
Codeshare flight, operated by American Airlines.(AA 3650)
Wed-Fri 10:58 Fort Wayne (FWA) 11:07 Chicago O'Hare (ORD) 3
AS 4531 Non-stop Canadair CRJ 700 (CR7) 1:09 Effective 2025-10-01 through 2025-10-03
Codeshare flight, operated by American Airlines.(AA 6300)
Sat,Sun 12:39 Kansas City (MCI) 14:20 Chicago O'Hare (ORD) 3
AS 4531 Non-stop Embraer EMB 175 (E75) 1:41 Effective 2025-10-04 through 2025-10-05
Codeshare flight, operated by American Airlines.(AA 4280)
Thu,Fri 16:50 Dallas Fort Worth (DFW) 20:42 Miami (MIA)
AS 4531 Non-stop Boeing 737 MAX 8 (7M8) 2:52 Effective 2025-05-15 through 2025-05-30
Codeshare flight, operated by American Airlines.(AA 3279)
Sun 16:50 Dallas Fort Worth (DFW) 20:42 Miami (MIA)
AS 4531 Non-stop Boeing 737 MAX 8 (7M8) 2:52 Operates only on 2025-06-01
Codeshare flight, operated by American Airlines.(AA 3279)
Daily 17:07 Harrisburg (MDT) 18:24 Chicago O'Hare (ORD) 3
AS 4531 Non-stop Embraer EMB 170 / EMB 175 (E70) 2:17 Effective 2025-05-05 through 2025-05-14
Codeshare flight, operated by American Airlines.(AA 3536)
Daily 18:30 Philadelphia (PHL) F 20:23 Knoxville (TYS)
AS 4531 Non-stop Canadair CRJ 900 (CR9) 1:53 Effective 2025-08-06 through 2025-08-19
Codeshare flight, operated by American Airlines.(AA 5352)
Fri 18:45 Philadelphia (PHL) F 20:46 Knoxville (TYS)
AS 4531 Non-stop Canadair CRJ 900 (CR9) 2:01 Operates only on 2025-07-04
Codeshare flight, operated by American Airlines.(AA 5066)
Daily 18:55 Philadelphia (PHL) F 20:56 Knoxville (TYS)
AS 4531 Non-stop Canadair CRJ 900 (CR9) 2:01 Effective 2025-07-05 through 2025-08-05
Codeshare flight, operated by American Airlines.(AA 5066)
Daily 18:56 Philadelphia (PHL) F 20:59 Knoxville (TYS)
AS 4531 Non-stop Canadair CRJ 900 (CR9) 2:03 Effective 2025-06-15 through 2025-07-03
Codeshare flight, operated by American Airlines.(AA 5066)
Thu,Fri 20:20 Chicago O'Hare (ORD) 3 22:48 Cincinnati (CVG)
AS 4531 Non-stop Embraer EMB 170 / EMB 175 (E70) 1:28 Valid until 2025-05-02
Codeshare flight, operated by American Airlines.(AA 3650)
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This flight number is listed as serving the following routes:


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Alaska Airlines flight AS 4531: Multiple routes
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Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:
Alaska Airlines AS4531
05:15
Cleveland Hopkins (CLE)

06:37
Ronald Reagan Washington (DCA) 2
Effective 2025-06-02 through 2025-06-04
Mon
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by American Airlines. (AA 5210)
Duration: 1:22, non-stop
Canadair CRJ 700 (CR7)
Alaska Airlines AS4531
05:32
Kansas City (MCI)

07:25
Chicago O'Hare (ORD) 3
Effective 2025-12-18 through 2026-01-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 1764)
Duration: 1:53, non-stop
Boeing 737-800 (738)
Alaska Airlines AS4531
05:34
Kansas City (MCI)

07:25
Chicago O'Hare (ORD) 3
Effective 2025-12-03 through 2025-12-17
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 1764)
Duration: 1:51, non-stop
Boeing 737-800 (738)
Alaska Airlines AS4531
05:43
Kansas City (MCI)

07:25
Chicago O'Hare (ORD) 3
Effective 2026-01-06 through 2026-02-11
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 1764)
Duration: 1:42, non-stop
Boeing 737-800 (738)
Alaska Airlines AS4531
05:46
Kansas City (MCI)

07:25
Chicago O'Hare (ORD) 3
Effective from 2026-02-12
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 1764)
Duration: 1:39, non-stop
Boeing 737-800 (738)
Alaska Airlines AS4531
05:47
Kansas City (MCI)

07:25
Chicago O'Hare (ORD) 3
Effective 2025-10-06 through 2025-11-01
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 1764)
Duration: 1:38, non-stop
Airbus A319 (319)
Alaska Airlines AS4531
05:48
Kansas City (MCI)

07:25
Chicago O'Hare (ORD) 3
Effective 2025-11-02 through 2025-12-02
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 1764)
Duration: 1:37, non-stop
Boeing 737-800 (738)
Alaska Airlines AS4531
06:06
Fayetteville/Springdale (XNA)

07:28
Dallas Fort Worth (DFW)
Effective 2025-09-03 through 2025-09-30
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 3506)
Duration: 1:22, non-stop
Embraer EMB 175 (E75)
Alaska Airlines AS4531
09:50
Chicago O'Hare (ORD) 3

10:54
Moline (MLI)
Effective 2025-06-05 through 2025-06-14
Mon
Tue
-
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 3650)
Duration: 1:04, non-stop
Embraer EMB 170 / EMB 175 (E70)
Alaska Airlines AS4531
10:58
Fort Wayne (FWA)

11:07
Chicago O'Hare (ORD) 3
Effective 2025-10-01 through 2025-10-03
Mon
-
Tue
-
Wed
Thu
Fri
Sat
-
Sun
-
Codeshare flight, operated by American Airlines. (AA 6300)
Duration: 1:09, non-stop
Canadair CRJ 700 (CR7)
Alaska Airlines AS4531
12:39
Kansas City (MCI)

14:20
Chicago O'Hare (ORD) 3
Effective 2025-10-04 through 2025-10-05
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 4280)
Duration: 1:41, non-stop
Embraer EMB 175 (E75)
Alaska Airlines AS4531
16:50
Dallas Fort Worth (DFW)

20:42
Miami (MIA)
Effective 2025-05-15 through 2025-05-30
Mon
-
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Codeshare flight, operated by American Airlines. (AA 3279)
Duration: 2:52, non-stop
Boeing 737 MAX 8 (7M8)
Alaska Airlines AS4531
16:50
Dallas Fort Worth (DFW)

20:42
Miami (MIA)
Operates only on 2025-06-01
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Codeshare flight, operated by American Airlines. (AA 3279)
Duration: 2:52, non-stop
Boeing 737 MAX 8 (7M8)
Alaska Airlines AS4531
17:07
Harrisburg (MDT)

18:24
Chicago O'Hare (ORD) 3
Effective 2025-05-05 through 2025-05-14
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 3536)
Duration: 2:17, non-stop
Embraer EMB 170 / EMB 175 (E70)
Alaska Airlines AS4531
18:30
Philadelphia (PHL) F

20:23
Knoxville (TYS)
Effective 2025-08-06 through 2025-08-19
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 5352)
Duration: 1:53, non-stop
Canadair CRJ 900 (CR9)
Alaska Airlines AS4531
18:45
Philadelphia (PHL) F

20:46
Knoxville (TYS)
Operates only on 2025-07-04
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Codeshare flight, operated by American Airlines. (AA 5066)
Duration: 2:01, non-stop
Canadair CRJ 900 (CR9)
Alaska Airlines AS4531
18:55
Philadelphia (PHL) F

20:56
Knoxville (TYS)
Effective 2025-07-05 through 2025-08-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 5066)
Duration: 2:01, non-stop
Canadair CRJ 900 (CR9)
Alaska Airlines AS4531
18:56
Philadelphia (PHL) F

20:59
Knoxville (TYS)
Effective 2025-06-15 through 2025-07-03
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 5066)
Duration: 2:03, non-stop
Canadair CRJ 900 (CR9)
Alaska Airlines AS4531
20:20
Chicago O'Hare (ORD) 3

22:48
Cincinnati (CVG)
Valid until 2025-05-02
Mon
-
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Codeshare flight, operated by American Airlines. (AA 3650)
Duration: 1:28, non-stop
Embraer EMB 170 / EMB 175 (E70)
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This flight number is listed as serving the following routes:
  • Chicago O'Hare (ORD) - Cincinnati (CVG)
  • Chicago O'Hare (ORD) - Moline (MLI)
  • Cleveland Hopkins (CLE) - Ronald Reagan Washington (DCA)
  • Dallas Fort Worth (DFW) - Miami (MIA)
  • Fayetteville/Springdale (XNA) - Dallas Fort Worth (DFW)
  • Fort Wayne (FWA) - Chicago O'Hare (ORD)
  • Harrisburg (MDT) - Chicago O'Hare (ORD)
  • Kansas City (MCI) - Chicago O'Hare (ORD)
  • Philadelphia (PHL) - Knoxville (TYS)
All Alaska Airlines flights
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