Alaska Airlines flight AS 4239: Multiple routes

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FLIGHT SCHEDULE
Direct Codeshare Flights:
Sun 05:19 Memphis (MEM) 07:03 Dallas Fort Worth (DFW)
AS 4239 Non-stop Embraer EMB 175 (E75) 1:44 Effective 2025-07-27 through 2025-08-03
Codeshare flight, operated by American Airlines.(AA 3772)
Mon 05:20 Memphis (MEM) 07:05 Dallas Fort Worth (DFW)
AS 4239 Non-stop Embraer EMB 175 (E75) 1:45 Effective 2025-07-28 through 2025-08-04
Codeshare flight, operated by American Airlines.(AA 3772)
Mon,Thu,Fri 08:29 Chicago O'Hare (ORD) 3 11:29 Syracuse (SYR)
AS 4239 Non-stop Embraer EMB 175 (E75) 2:00 Effective 2025-07-07 through 2025-07-25
Codeshare flight, operated by American Airlines.(AA 4729)
Thu,Fri 08:29 Chicago O'Hare (ORD) 3 11:29 Syracuse (SYR)
AS 4239 Non-stop Embraer EMB 175 (E75) 2:00 Effective 2025-07-31 through 2025-08-01
Codeshare flight, operated by American Airlines.(AA 4729)
Mon,Thu,Fri 12:01 Syracuse (SYR) 13:19 Chicago O'Hare (ORD) 3
AS 4239 Non-stop Embraer EMB 175 (E75) 2:18 Effective 2025-07-07 through 2025-07-25
Codeshare flight, operated by American Airlines.(AA 4729)
Thu,Fri 12:01 Syracuse (SYR) 13:19 Chicago O'Hare (ORD) 3
AS 4239 Non-stop Embraer EMB 175 (E75) 2:18 Effective 2025-07-31 through 2025-08-01
Codeshare flight, operated by American Airlines.(AA 4729)
Mon,Thu,Fri,Sun 14:23 Chicago O'Hare (ORD) 3 15:44 Saint Louis (STL) 1
AS 4239 Non-stop Embraer EMB 175 (E75) 1:21 Effective 2025-06-05 through 2025-06-09
Codeshare flight, operated by American Airlines.(AA 3727)
Mon,Thu,Fri 14:23 Chicago O'Hare (ORD) 3 15:44 Saint Louis (STL) 1
AS 4239 Non-stop Embraer EMB 175 (E75) 1:21 Effective 2025-06-16 through 2025-07-03
Codeshare flight, operated by American Airlines.(AA 3727)
Wed,Sat 16:11 Dallas Fort Worth (DFW) 17:45 Memphis (MEM)
AS 4239 Non-stop Embraer EMB 175 (E75) 1:34 Effective 2025-07-05 through 2025-08-02
Codeshare flight, operated by American Airlines.(AA 3917)
Wed,Sat 16:15 Dallas Fort Worth (DFW) 17:47 Memphis (MEM)
AS 4239 Non-stop Embraer EMB 175 (E75) 1:32 Effective 2025-06-07 through 2025-07-02
Codeshare flight, operated by American Airlines.(AA 3917)
Mon,Thu,Fri,Sun 16:23 Saint Louis (STL) 1 17:43 Chicago O'Hare (ORD) 3
AS 4239 Non-stop Embraer EMB 175 (E75) 1:20 Effective 2025-06-05 through 2025-06-09
Codeshare flight, operated by American Airlines.(AA 3727)
Mon,Thu,Fri 16:23 Saint Louis (STL) 1 17:43 Chicago O'Hare (ORD) 3
AS 4239 Non-stop Embraer EMB 175 (E75) 1:20 Effective 2025-06-16 through 2025-07-03
Codeshare flight, operated by American Airlines.(AA 3727)
Tue 17:26 Dallas Fort Worth (DFW) 18:58 Memphis (MEM)
AS 4239 Non-stop Embraer EMB 175 (E75) 1:32 Effective 2025-06-10 through 2025-06-24
Codeshare flight, operated by American Airlines.(AA 3917)
Daily 17:55 Dallas Fort Worth (DFW) 19:28 Memphis (MEM)
AS 4239 Non-stop Embraer EMB 175 (E75) 1:33 Effective 2025-08-06 through 2025-09-02
Codeshare flight, operated by American Airlines.(AA 3917)
Daily 17:55 Dallas Fort Worth (DFW) 19:27 Memphis (MEM)
AS 4239 Non-stop Embraer EMB 175 (E75) 1:32 Effective 2025-10-06 through 2025-11-01
Codeshare flight, operated by American Airlines.(AA 3917)
Daily 17:57 Chicago O'Hare (ORD) 3 21:35 Tampa (TPA)
AS 4239 Non-stop Boeing 737-800 (738) 2:38 Effective 2025-05-05 through 2025-06-04
Codeshare flight, operated by American Airlines.(AA 353)
Daily 18:00 Chicago O'Hare (ORD) 3 21:51 Tampa (TPA)
AS 4239 Non-stop Boeing 737-800 (738) 2:51 Valid until 2025-05-04
Codeshare flight, operated by American Airlines.(AA 353)
Daily 18:02 Chicago O'Hare (ORD) 3 21:52 Tampa (TPA)
AS 4239 Non-stop Boeing 737-800 (738) 2:50 Effective 2025-09-03 through 2025-10-05
Codeshare flight, operated by American Airlines.(AA 353)
Tue 18:15 Chicago O'Hare (ORD) 3 20:37 Traverse City (TVC)
AS 4239 Non-stop Embraer EMB 175 (E75) 1:22 Operates only on 2025-07-01
Codeshare flight, operated by American Airlines.(AA 4759)
Sun 18:30 Chicago O'Hare (ORD) 3 19:46 Madison (MSN)
AS 4239 Non-stop Embraer EMB 170 / EMB 175 (E70) 1:16 Effective 2025-06-15 through 2025-06-29
Codeshare flight, operated by American Airlines.(AA 3701)
Thu,Fri 19:05 Chicago O'Hare (ORD) 3 21:37 New Orleans (MSY)
AS 4239 Non-stop Embraer EMB 175 (E75) 2:32 Effective 2025-06-12 through 2025-06-13
Codeshare flight, operated by American Airlines.(AA 4432)
Sun 19:30 Chicago O'Hare (ORD) 3 21:28 Huntsville (HSV)
AS 4239 Non-stop Canadair CRJ 700 (CR7) 1:58 Operates only on 2025-07-06
Codeshare flight, operated by American Airlines.(AA 6426)
Tue,Wed,Sat 19:33 Memphis (MEM) 21:16 Dallas Fort Worth (DFW)
AS 4239 Non-stop Embraer EMB 175 (E75) 1:43 Effective 2025-06-07 through 2025-06-28
Codeshare flight, operated by American Airlines.(AA 3917)
Tue,Wed,Sat 19:33 Memphis (MEM) 21:16 Dallas Fort Worth (DFW)
AS 4239 Non-stop Embraer EMB 175 (E75) 1:43 Effective 2025-07-02 through 2025-08-05
Codeshare flight, operated by American Airlines.(AA 3917)
Daily 20:02 Memphis (MEM) 21:50 Dallas Fort Worth (DFW)
AS 4239 Non-stop Embraer EMB 175 (E75) 1:48 Effective 2025-10-06 through 2025-11-01
Codeshare flight, operated by American Airlines.(AA 3917)
Daily 20:09 Memphis (MEM) 21:50 Dallas Fort Worth (DFW)
AS 4239 Non-stop Embraer EMB 175 (E75) 1:41 Effective 2025-08-06 through 2025-09-02
Codeshare flight, operated by American Airlines.(AA 3917)
Sun 20:16 Madison (MSN) 21:19 Chicago O'Hare (ORD) 3
AS 4239 Non-stop Embraer EMB 170 / EMB 175 (E70) 1:03 Effective 2025-06-15 through 2025-06-29
Codeshare flight, operated by American Airlines.(AA 3701)
Daily 20:20 Chicago O'Hare (ORD) 3 21:23 Madison (MSN)
AS 4239 Non-stop Embraer EMB 175 (E75) 1:03 Effective 2025-11-02 through 2025-12-02
Codeshare flight, operated by American Airlines.(AA 3598)
Daily 20:20 Chicago O'Hare (ORD) 3 21:26 Madison (MSN)
AS 4239 Non-stop Embraer EMB 175 (E75) 1:06 Effective 2025-12-03 through 2025-12-17
Codeshare flight, operated by American Airlines.(AA 3598)
Daily 20:20 Chicago O'Hare (ORD) 3 21:34 Madison (MSN)
AS 4239 Non-stop Embraer EMB 170 / EMB 175 (E70) 1:14 Effective 2025-12-18 through 2026-01-05
Codeshare flight, operated by American Airlines.(AA 3598)
Daily 20:20 Chicago O'Hare (ORD) 3 21:27 Madison (MSN)
AS 4239 Non-stop Embraer EMB 175 (E75) 1:07 Effective 2026-01-06 through 2026-02-11
Codeshare flight, operated by American Airlines.(AA 3598)
Daily 20:20 Chicago O'Hare (ORD) 3 21:25 Madison (MSN)
AS 4239 Non-stop Embraer EMB 175 (E75) 1:05 Effective from 2026-02-12
Codeshare flight, operated by American Airlines.(AA 3598)
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This flight number is listed as serving the following routes:


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Alaska Airlines flight AS 4239: Multiple routes
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Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:
Alaska Airlines AS4239
05:19
Memphis (MEM)

07:03
Dallas Fort Worth (DFW)
Effective 2025-07-27 through 2025-08-03
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Codeshare flight, operated by American Airlines. (AA 3772)
Duration: 1:44, non-stop
Embraer EMB 175 (E75)
Alaska Airlines AS4239
05:20
Memphis (MEM)

07:05
Dallas Fort Worth (DFW)
Effective 2025-07-28 through 2025-08-04
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by American Airlines. (AA 3772)
Duration: 1:45, non-stop
Embraer EMB 175 (E75)
Alaska Airlines AS4239
08:29
Chicago O'Hare (ORD) 3

11:29
Syracuse (SYR)
Effective 2025-07-07 through 2025-07-25
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Codeshare flight, operated by American Airlines. (AA 4729)
Duration: 2:00, non-stop
Embraer EMB 175 (E75)
Alaska Airlines AS4239
08:29
Chicago O'Hare (ORD) 3

11:29
Syracuse (SYR)
Effective 2025-07-31 through 2025-08-01
Mon
-
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Codeshare flight, operated by American Airlines. (AA 4729)
Duration: 2:00, non-stop
Embraer EMB 175 (E75)
Alaska Airlines AS4239
12:01
Syracuse (SYR)

13:19
Chicago O'Hare (ORD) 3
Effective 2025-07-07 through 2025-07-25
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Codeshare flight, operated by American Airlines. (AA 4729)
Duration: 2:18, non-stop
Embraer EMB 175 (E75)
Alaska Airlines AS4239
12:01
Syracuse (SYR)

13:19
Chicago O'Hare (ORD) 3
Effective 2025-07-31 through 2025-08-01
Mon
-
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Codeshare flight, operated by American Airlines. (AA 4729)
Duration: 2:18, non-stop
Embraer EMB 175 (E75)
Alaska Airlines AS4239
14:23
Chicago O'Hare (ORD) 3

15:44
Saint Louis (STL) 1
Effective 2025-06-05 through 2025-06-09
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Codeshare flight, operated by American Airlines. (AA 3727)
Duration: 1:21, non-stop
Embraer EMB 175 (E75)
Alaska Airlines AS4239
14:23
Chicago O'Hare (ORD) 3

15:44
Saint Louis (STL) 1
Effective 2025-06-16 through 2025-07-03
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Codeshare flight, operated by American Airlines. (AA 3727)
Duration: 1:21, non-stop
Embraer EMB 175 (E75)
Alaska Airlines AS4239
16:11
Dallas Fort Worth (DFW)

17:45
Memphis (MEM)
Effective 2025-07-05 through 2025-08-02
Mon
-
Tue
-
Wed
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by American Airlines. (AA 3917)
Duration: 1:34, non-stop
Embraer EMB 175 (E75)
Alaska Airlines AS4239
16:15
Dallas Fort Worth (DFW)

17:47
Memphis (MEM)
Effective 2025-06-07 through 2025-07-02
Mon
-
Tue
-
Wed
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by American Airlines. (AA 3917)
Duration: 1:32, non-stop
Embraer EMB 175 (E75)
Alaska Airlines AS4239
16:23
Saint Louis (STL) 1

17:43
Chicago O'Hare (ORD) 3
Effective 2025-06-05 through 2025-06-09
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Codeshare flight, operated by American Airlines. (AA 3727)
Duration: 1:20, non-stop
Embraer EMB 175 (E75)
Alaska Airlines AS4239
16:23
Saint Louis (STL) 1

17:43
Chicago O'Hare (ORD) 3
Effective 2025-06-16 through 2025-07-03
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Codeshare flight, operated by American Airlines. (AA 3727)
Duration: 1:20, non-stop
Embraer EMB 175 (E75)
Alaska Airlines AS4239
17:26
Dallas Fort Worth (DFW)

18:58
Memphis (MEM)
Effective 2025-06-10 through 2025-06-24
Mon
-
Tue
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by American Airlines. (AA 3917)
Duration: 1:32, non-stop
Embraer EMB 175 (E75)
Alaska Airlines AS4239
17:55
Dallas Fort Worth (DFW)

19:28
Memphis (MEM)
Effective 2025-08-06 through 2025-09-02
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 3917)
Duration: 1:33, non-stop
Embraer EMB 175 (E75)
Alaska Airlines AS4239
17:55
Dallas Fort Worth (DFW)

19:27
Memphis (MEM)
Effective 2025-10-06 through 2025-11-01
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 3917)
Duration: 1:32, non-stop
Embraer EMB 175 (E75)
Alaska Airlines AS4239
17:57
Chicago O'Hare (ORD) 3

21:35
Tampa (TPA)
Effective 2025-05-05 through 2025-06-04
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 353)
Duration: 2:38, non-stop
Boeing 737-800 (738)
Alaska Airlines AS4239
18:00
Chicago O'Hare (ORD) 3

21:51
Tampa (TPA)
Valid until 2025-05-04
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 353)
Duration: 2:51, non-stop
Boeing 737-800 (738)
Alaska Airlines AS4239
18:02
Chicago O'Hare (ORD) 3

21:52
Tampa (TPA)
Effective 2025-09-03 through 2025-10-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 353)
Duration: 2:50, non-stop
Boeing 737-800 (738)
Alaska Airlines AS4239
18:15
Chicago O'Hare (ORD) 3

20:37
Traverse City (TVC)
Operates only on 2025-07-01
Mon
-
Tue
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by American Airlines. (AA 4759)
Duration: 1:22, non-stop
Embraer EMB 175 (E75)
Alaska Airlines AS4239
18:30
Chicago O'Hare (ORD) 3

19:46
Madison (MSN)
Effective 2025-06-15 through 2025-06-29
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Codeshare flight, operated by American Airlines. (AA 3701)
Duration: 1:16, non-stop
Embraer EMB 170 / EMB 175 (E70)
Alaska Airlines AS4239
19:05
Chicago O'Hare (ORD) 3

21:37
New Orleans (MSY)
Effective 2025-06-12 through 2025-06-13
Mon
-
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Codeshare flight, operated by American Airlines. (AA 4432)
Duration: 2:32, non-stop
Embraer EMB 175 (E75)
Alaska Airlines AS4239
19:30
Chicago O'Hare (ORD) 3

21:28
Huntsville (HSV)
Operates only on 2025-07-06
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Codeshare flight, operated by American Airlines. (AA 6426)
Duration: 1:58, non-stop
Canadair CRJ 700 (CR7)
Alaska Airlines AS4239
19:33
Memphis (MEM)

21:16
Dallas Fort Worth (DFW)
Effective 2025-06-07 through 2025-06-28
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by American Airlines. (AA 3917)
Duration: 1:43, non-stop
Embraer EMB 175 (E75)
Alaska Airlines AS4239
19:33
Memphis (MEM)

21:16
Dallas Fort Worth (DFW)
Effective 2025-07-02 through 2025-08-05
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by American Airlines. (AA 3917)
Duration: 1:43, non-stop
Embraer EMB 175 (E75)
Alaska Airlines AS4239
20:02
Memphis (MEM)

21:50
Dallas Fort Worth (DFW)
Effective 2025-10-06 through 2025-11-01
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 3917)
Duration: 1:48, non-stop
Embraer EMB 175 (E75)
Alaska Airlines AS4239
20:09
Memphis (MEM)

21:50
Dallas Fort Worth (DFW)
Effective 2025-08-06 through 2025-09-02
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 3917)
Duration: 1:41, non-stop
Embraer EMB 175 (E75)
Alaska Airlines AS4239
20:16
Madison (MSN)

21:19
Chicago O'Hare (ORD) 3
Effective 2025-06-15 through 2025-06-29
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Codeshare flight, operated by American Airlines. (AA 3701)
Duration: 1:03, non-stop
Embraer EMB 170 / EMB 175 (E70)
Alaska Airlines AS4239
20:20
Chicago O'Hare (ORD) 3

21:23
Madison (MSN)
Effective 2025-11-02 through 2025-12-02
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 3598)
Duration: 1:03, non-stop
Embraer EMB 175 (E75)
Alaska Airlines AS4239
20:20
Chicago O'Hare (ORD) 3

21:26
Madison (MSN)
Effective 2025-12-03 through 2025-12-17
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 3598)
Duration: 1:06, non-stop
Embraer EMB 175 (E75)
Alaska Airlines AS4239
20:20
Chicago O'Hare (ORD) 3

21:34
Madison (MSN)
Effective 2025-12-18 through 2026-01-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 3598)
Duration: 1:14, non-stop
Embraer EMB 170 / EMB 175 (E70)
Alaska Airlines AS4239
20:20
Chicago O'Hare (ORD) 3

21:27
Madison (MSN)
Effective 2026-01-06 through 2026-02-11
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 3598)
Duration: 1:07, non-stop
Embraer EMB 175 (E75)
Alaska Airlines AS4239
20:20
Chicago O'Hare (ORD) 3

21:25
Madison (MSN)
Effective from 2026-02-12
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 3598)
Duration: 1:05, non-stop
Embraer EMB 175 (E75)
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This flight number is listed as serving the following routes:
  • Chicago O'Hare (ORD) - Huntsville (HSV)
  • Chicago O'Hare (ORD) - Madison (MSN)
  • Chicago O'Hare (ORD) - New Orleans (MSY)
  • Chicago O'Hare (ORD) - Syracuse (SYR)
  • Chicago O'Hare (ORD) - Tampa (TPA)
  • Chicago O'Hare (ORD) - Traverse City (TVC)
  • Memphis (MEM) - Dallas Fort Worth (DFW)
  • Saint Louis (STL) - Chicago O'Hare (ORD)
All Alaska Airlines flights
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