Alaska Airlines flight AS 4243: Multiple routes

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FLIGHT SCHEDULE
Direct Codeshare Flights:
Mon-Fri 06:57 Huntsville (HSV) 09:06 Chicago O'Hare (ORD) 3
AS 4243 Non-stop Embraer EMB 170 / EMB 175 (E70) 2:09 Effective 2025-05-05 through 2025-05-09
Codeshare flight, operated by American Airlines.(AA 3380)
Wed-Fri 06:59 Chicago O'Hare (ORD) 3 09:27 Detroit (DTW) E
AS 4243 Non-stop Canadair CRJ 700 (CR7) 1:28 Effective 2025-10-01 through 2025-10-03
Codeshare flight, operated by American Airlines.(AA 6374)
Sat 08:13 Chicago O'Hare (ORD) 3 11:22 Richmond (RIC)
AS 4243 Non-stop Canadair CRJ 700 (CR7) 2:09 Operates only on 2025-08-09
Codeshare flight, operated by American Airlines.(AA 4971)
Daily 08:13 Chicago O'Hare (ORD) 3 11:22 Richmond (RIC)
AS 4243 Non-stop Canadair CRJ 700 (CR7) 2:09 Effective 2025-08-20 through 2025-09-02
Codeshare flight, operated by American Airlines.(AA 4971)
Sat 09:30 Chicago O'Hare (ORD) 3 12:00 Lexington (LEX)
AS 4243 Non-stop Canadair CRJ 700 (CR7) 1:30 Operates only on 2025-09-27
Codeshare flight, operated by American Airlines.(AA 4971)
Wed-Fri 10:11 Detroit (DTW) E 10:44 Chicago O'Hare (ORD) 3
AS 4243 Non-stop Canadair CRJ 700 (CR7) 1:33 Effective 2025-10-01 through 2025-10-03
Codeshare flight, operated by American Airlines.(AA 6374)
Mon,Tue,Sun 12:26 Boston Logan (BOS) B 14:24 Chicago O'Hare (ORD) 3
AS 4243 Non-stop Airbus A319 (319) 2:58 Effective 2025-09-28 through 2025-09-30
Codeshare flight, operated by American Airlines.(AA 1457)
Daily 13:10 Chicago O'Hare (ORD) 3 15:27 Oklahoma City (OKC)
AS 4243 Non-stop Embraer EMB 170 / EMB 175 (E70) 2:17 Effective 2025-10-06 through 2025-10-25
Codeshare flight, operated by American Airlines.(AA 4294)
Daily 13:53 Oklahoma City (OKC) 16:10 Chicago O'Hare (ORD) 3
AS 4243 Non-stop Canadair CRJ 700 (CR7) 2:17 Effective 2025-07-07 through 2025-08-05
Codeshare flight, operated by American Airlines.(AA 6519)
Sat 13:53 Oklahoma City (OKC) 16:10 Chicago O'Hare (ORD) 3
AS 4243 Non-stop Canadair CRJ 700 (CR7) 2:17 Operates only on 2025-09-06
Codeshare flight, operated by American Airlines.(AA 6519)
Sat,Sun 13:53 Oklahoma City (OKC) 16:10 Chicago O'Hare (ORD) 3
AS 4243 Non-stop Canadair CRJ 700 (CR7) 2:17 Effective 2025-10-04 through 2025-10-05
Codeshare flight, operated by American Airlines.(AA 6519)
Daily 14:50 Chicago O'Hare (ORD) 3 16:28 Kansas City (MCI)
AS 4243 Non-stop Embraer EMB 175 (E75) 1:38 Effective 2025-11-02 through 2025-12-02
Codeshare flight, operated by American Airlines.(AA 4547)
Daily 14:50 Chicago O'Hare (ORD) 3 17:02 Oklahoma City (OKC)
AS 4243 Non-stop Embraer EMB 170 / EMB 175 (E70) 2:12 Effective 2025-12-03 through 2025-12-17
Codeshare flight, operated by American Airlines.(AA 4294)
Daily 14:50 Chicago O'Hare (ORD) 3 17:05 Oklahoma City (OKC)
AS 4243 Non-stop Embraer EMB 170 / EMB 175 (E70) 2:15 Effective 2025-12-18 through 2026-01-05
Codeshare flight, operated by American Airlines.(AA 4294)
Daily 14:50 Chicago O'Hare (ORD) 3 17:14 Oklahoma City (OKC)
AS 4243 Non-stop Embraer EMB 170 / EMB 175 (E70) 2:24 Effective 2026-01-06 through 2026-02-11
Codeshare flight, operated by American Airlines.(AA 4294)
Daily 14:50 Chicago O'Hare (ORD) 3 17:02 Oklahoma City (OKC)
AS 4243 Non-stop Embraer EMB 170 / EMB 175 (E70) 2:12 Effective from 2026-02-12
Codeshare flight, operated by American Airlines.(AA 4294)
Wed-Fri 15:15 Chicago O'Hare (ORD) 3 18:06 Harrisburg (MDT)
AS 4243 Non-stop Embraer EMB 170 / EMB 175 (E70) 1:51 Effective 2025-09-03 through 2025-09-05
Codeshare flight, operated by American Airlines.(AA 3366)
Sat 15:47 Dallas Fort Worth (DFW) 19:05 Savannah (SAV)
AS 4243 Non-stop Embraer EMB 175 (E75) 2:18 Effective 2025-05-10 through 2025-05-31
Codeshare flight, operated by American Airlines.(AA 4249)
Mon-Wed,Sun 15:47 Dallas Fort Worth (DFW) 19:05 Savannah (SAV)
AS 4243 Non-stop Embraer EMB 175 (E75) 2:18 Effective 2025-06-01 through 2025-06-04
Codeshare flight, operated by American Airlines.(AA 4249)
Daily 18:09 Kansas City (MCI) 19:50 Chicago O'Hare (ORD) 3
AS 4243 Non-stop Embraer EMB 175 (E75) 1:41 Effective 2025-11-02 through 2025-12-02
Codeshare flight, operated by American Airlines.(AA 4547)
Sat 18:49 Chicago O'Hare (ORD) 3 20:48 Birmingham (BHM)
AS 4243 Non-stop Embraer EMB 170 / EMB 175 (E70) 1:59 Operates only on 2025-05-03
Codeshare flight, operated by American Airlines.(AA 4018)
Sun 19:45 Philadelphia (PHL) F 21:32 Memphis (MEM)
AS 4243 Non-stop Canadair CRJ 900 (CR9) 2:47 Operates only on 2025-07-06
Codeshare flight, operated by American Airlines.(AA 5415)
Sat 19:50 Philadelphia (PHL) F 21:35 Memphis (MEM)
AS 4243 Non-stop Canadair CRJ 900 (CR9) 2:45 Operates only on 2025-07-05
Codeshare flight, operated by American Airlines.(AA 5415)
Daily 20:25 Chicago O'Hare (ORD) 3 23:45 New York LaGuardia (LGA) B
AS 4243 Non-stop Airbus A319 (319) 2:20 Effective 2025-06-05 through 2025-07-04
Codeshare flight, operated by American Airlines.(AA 973)
Mon-Fri,Sun 20:30 Chicago O'Hare (ORD) 3 23:15 El Paso (ELP)
AS 4243 Non-stop Embraer EMB 175 (E75) 3:45 Effective 2025-05-11 through 2025-05-30
Codeshare flight, operated by American Airlines.(AA 3417)
Mon-Fri,Sun 20:30 Chicago O'Hare (ORD) 3 23:13 Cincinnati (CVG)
AS 4243 Non-stop Embraer EMB 175 (E75) 1:43 Effective 2025-08-06 through 2025-08-15
Codeshare flight, operated by American Airlines.(AA 3366)
Mon,Tue,Sat,Sun 20:30 Chicago O'Hare (ORD) 3 23:13 Cincinnati (CVG)
AS 4243 Non-stop Embraer EMB 175 (E75) 1:43 Effective 2025-08-16 through 2025-08-19
Codeshare flight, operated by American Airlines.(AA 3366)
Daily 20:43 Dallas Fort Worth (DFW) 22:05 Fayetteville/Springdale (XNA)
AS 4243 Non-stop Embraer EMB 175 (E75) 1:22 Effective 2025-10-26 through 2025-11-01
Codeshare flight, operated by American Airlines.(AA 4138)
Daily 21:00 Philadelphia (PHL) 22:50 Cincinnati (CVG)
AS 4243 Non-stop Airbus A319 (319) 1:50 Effective 2025-09-07 through 2025-09-26
Codeshare flight, operated by American Airlines.(AA 2103)
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This flight number is listed as serving the following routes:


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Alaska Airlines flight AS 4243: Multiple routes
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Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:
Alaska Airlines AS4243
06:57
Huntsville (HSV)

09:06
Chicago O'Hare (ORD) 3
Effective 2025-05-05 through 2025-05-09
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
-
Codeshare flight, operated by American Airlines. (AA 3380)
Duration: 2:09, non-stop
Embraer EMB 170 / EMB 175 (E70)
Alaska Airlines AS4243
06:59
Chicago O'Hare (ORD) 3

09:27
Detroit (DTW) E
Effective 2025-10-01 through 2025-10-03
Mon
-
Tue
-
Wed
Thu
Fri
Sat
-
Sun
-
Codeshare flight, operated by American Airlines. (AA 6374)
Duration: 1:28, non-stop
Canadair CRJ 700 (CR7)
Alaska Airlines AS4243
08:13
Chicago O'Hare (ORD) 3

11:22
Richmond (RIC)
Operates only on 2025-08-09
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by American Airlines. (AA 4971)
Duration: 2:09, non-stop
Canadair CRJ 700 (CR7)
Alaska Airlines AS4243
08:13
Chicago O'Hare (ORD) 3

11:22
Richmond (RIC)
Effective 2025-08-20 through 2025-09-02
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 4971)
Duration: 2:09, non-stop
Canadair CRJ 700 (CR7)
Alaska Airlines AS4243
09:30
Chicago O'Hare (ORD) 3

12:00
Lexington (LEX)
Operates only on 2025-09-27
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by American Airlines. (AA 4971)
Duration: 1:30, non-stop
Canadair CRJ 700 (CR7)
Alaska Airlines AS4243
10:11
Detroit (DTW) E

10:44
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 6374)
Duration: 1:33, non-stop
Canadair CRJ 700 (CR7)
Alaska Airlines AS4243
12:26
Boston Logan (BOS) B

14:24
Chicago O'Hare (ORD) 3
Effective 2025-09-28 through 2025-09-30
Mon
Tue
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Codeshare flight, operated by American Airlines. (AA 1457)
Duration: 2:58, non-stop
Airbus A319 (319)
Alaska Airlines AS4243
13:10
Chicago O'Hare (ORD) 3

15:27
Oklahoma City (OKC)
Effective 2025-10-06 through 2025-10-25
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 4294)
Duration: 2:17, non-stop
Embraer EMB 170 / EMB 175 (E70)
Alaska Airlines AS4243
13:53
Oklahoma City (OKC)

16:10
Chicago O'Hare (ORD) 3
Effective 2025-07-07 through 2025-08-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 6519)
Duration: 2:17, non-stop
Canadair CRJ 700 (CR7)
Alaska Airlines AS4243
13:53
Oklahoma City (OKC)

16:10
Chicago O'Hare (ORD) 3
Operates only on 2025-09-06
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by American Airlines. (AA 6519)
Duration: 2:17, non-stop
Canadair CRJ 700 (CR7)
Alaska Airlines AS4243
13:53
Oklahoma City (OKC)

16:10
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 6519)
Duration: 2:17, non-stop
Canadair CRJ 700 (CR7)
Alaska Airlines AS4243
14:50
Chicago O'Hare (ORD) 3

16:28
Kansas City (MCI)
Effective 2025-11-02 through 2025-12-02
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 4547)
Duration: 1:38, non-stop
Embraer EMB 175 (E75)
Alaska Airlines AS4243
14:50
Chicago O'Hare (ORD) 3

17:02
Oklahoma City (OKC)
Effective 2025-12-03 through 2025-12-17
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 4294)
Duration: 2:12, non-stop
Embraer EMB 170 / EMB 175 (E70)
Alaska Airlines AS4243
14:50
Chicago O'Hare (ORD) 3

17:05
Oklahoma City (OKC)
Effective 2025-12-18 through 2026-01-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 4294)
Duration: 2:15, non-stop
Embraer EMB 170 / EMB 175 (E70)
Alaska Airlines AS4243
14:50
Chicago O'Hare (ORD) 3

17:14
Oklahoma City (OKC)
Effective 2026-01-06 through 2026-02-11
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 4294)
Duration: 2:24, non-stop
Embraer EMB 170 / EMB 175 (E70)
Alaska Airlines AS4243
14:50
Chicago O'Hare (ORD) 3

17:02
Oklahoma City (OKC)
Effective from 2026-02-12
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 4294)
Duration: 2:12, non-stop
Embraer EMB 170 / EMB 175 (E70)
Alaska Airlines AS4243
15:15
Chicago O'Hare (ORD) 3

18:06
Harrisburg (MDT)
Effective 2025-09-03 through 2025-09-05
Mon
-
Tue
-
Wed
Thu
Fri
Sat
-
Sun
-
Codeshare flight, operated by American Airlines. (AA 3366)
Duration: 1:51, non-stop
Embraer EMB 170 / EMB 175 (E70)
Alaska Airlines AS4243
15:47
Dallas Fort Worth (DFW)

19:05
Savannah (SAV)
Effective 2025-05-10 through 2025-05-31
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by American Airlines. (AA 4249)
Duration: 2:18, non-stop
Embraer EMB 175 (E75)
Alaska Airlines AS4243
15:47
Dallas Fort Worth (DFW)

19:05
Savannah (SAV)
Effective 2025-06-01 through 2025-06-04
Mon
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
Codeshare flight, operated by American Airlines. (AA 4249)
Duration: 2:18, non-stop
Embraer EMB 175 (E75)
Alaska Airlines AS4243
18:09
Kansas City (MCI)

19:50
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 4547)
Duration: 1:41, non-stop
Embraer EMB 175 (E75)
Alaska Airlines AS4243
18:49
Chicago O'Hare (ORD) 3

20:48
Birmingham (BHM)
Operates only on 2025-05-03
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by American Airlines. (AA 4018)
Duration: 1:59, non-stop
Embraer EMB 170 / EMB 175 (E70)
Alaska Airlines AS4243
19:45
Philadelphia (PHL) F

21:32
Memphis (MEM)
Operates only on 2025-07-06
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Codeshare flight, operated by American Airlines. (AA 5415)
Duration: 2:47, non-stop
Canadair CRJ 900 (CR9)
Alaska Airlines AS4243
19:50
Philadelphia (PHL) F

21:35
Memphis (MEM)
Operates only on 2025-07-05
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by American Airlines. (AA 5415)
Duration: 2:45, non-stop
Canadair CRJ 900 (CR9)
Alaska Airlines AS4243
20:25
Chicago O'Hare (ORD) 3

23:45
New York LaGuardia (LGA) B
Effective 2025-06-05 through 2025-07-04
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 973)
Duration: 2:20, non-stop
Airbus A319 (319)
Alaska Airlines AS4243
20:30
Chicago O'Hare (ORD) 3

23:15
El Paso (ELP)
Effective 2025-05-11 through 2025-05-30
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Codeshare flight, operated by American Airlines. (AA 3417)
Duration: 3:45, non-stop
Embraer EMB 175 (E75)
Alaska Airlines AS4243
20:30
Chicago O'Hare (ORD) 3

23:13
Cincinnati (CVG)
Effective 2025-08-06 through 2025-08-15
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Codeshare flight, operated by American Airlines. (AA 3366)
Duration: 1:43, non-stop
Embraer EMB 175 (E75)
Alaska Airlines AS4243
20:30
Chicago O'Hare (ORD) 3

23:13
Cincinnati (CVG)
Effective 2025-08-16 through 2025-08-19
Mon
Tue
Wed
-
Thu
-
Fri
-
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 3366)
Duration: 1:43, non-stop
Embraer EMB 175 (E75)
Alaska Airlines AS4243
20:43
Dallas Fort Worth (DFW)

22:05
Fayetteville/Springdale (XNA)
Effective 2025-10-26 through 2025-11-01
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 4138)
Duration: 1:22, non-stop
Embraer EMB 175 (E75)
Alaska Airlines AS4243
21:00
Philadelphia (PHL)

22:50
Cincinnati (CVG)
Effective 2025-09-07 through 2025-09-26
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 2103)
Duration: 1:50, non-stop
Airbus A319 (319)
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This flight number is listed as serving the following routes:
  • Boston Logan (BOS) - Chicago O'Hare (ORD)
  • Chicago O'Hare (ORD) - Birmingham (BHM)
  • Chicago O'Hare (ORD) - Cincinnati (CVG)
  • Chicago O'Hare (ORD) - Detroit (DTW)
  • Chicago O'Hare (ORD) - El Paso (ELP)
  • Chicago O'Hare (ORD) - Harrisburg (MDT)
  • Chicago O'Hare (ORD) - Lexington (LEX)
  • Chicago O'Hare (ORD) - New York LaGuardia (LGA)
  • Chicago O'Hare (ORD) - Richmond (RIC)
  • Dallas Fort Worth (DFW) - Fayetteville/Springdale (XNA)
  • Dallas Fort Worth (DFW) - Savannah (SAV)
  • Huntsville (HSV) - Chicago O'Hare (ORD)
  • Kansas City (MCI) - Chicago O'Hare (ORD)
  • Oklahoma City (OKC) - Chicago O'Hare (ORD)
  • Philadelphia (PHL) - Cincinnati (CVG)
  • Philadelphia (PHL) - Memphis (MEM)
All Alaska Airlines flights
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