Alaska Airlines flight AS 4237: Multiple routes

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FLIGHT SCHEDULE
Direct Codeshare Flights:
Sat,Sun 05:19 Memphis (MEM) 07:03 Dallas Fort Worth (DFW)
AS 4237 Non-stop Embraer EMB 175 (E75) 1:44 Effective 2025-07-05 through 2025-07-26
Codeshare flight, operated by American Airlines.(AA 3772)
Sat 05:19 Memphis (MEM) 07:03 Dallas Fort Worth (DFW)
AS 4237 Non-stop Embraer EMB 175 (E75) 1:44 Operates only on 2025-08-02
Codeshare flight, operated by American Airlines.(AA 3772)
Mon-Fri 05:20 Memphis (MEM) 07:05 Dallas Fort Worth (DFW)
AS 4237 Non-stop Embraer EMB 175 (E75) 1:45 Effective 2025-07-07 through 2025-07-25
Codeshare flight, operated by American Airlines.(AA 3772)
Tue-Fri 05:20 Memphis (MEM) 07:05 Dallas Fort Worth (DFW)
AS 4237 Non-stop Embraer EMB 175 (E75) 1:45 Effective 2025-07-29 through 2025-08-01
Codeshare flight, operated by American Airlines.(AA 3772)
Tue-Thu 07:10 Chicago O'Hare (ORD) 3 09:48 George Bush, Houston (IAH) A
AS 4237 Non-stop Airbus A319 (319) 2:38 Effective 2025-06-05 through 2025-06-12
Codeshare flight, operated by American Airlines.(AA 1224)
Mon,Fri,Sun 08:05 Chicago O'Hare (ORD) 3 11:11 Hartford (BDL)
AS 4237 Non-stop Airbus A319 (319) 2:06 Effective 2025-06-08 through 2025-06-13
Codeshare flight, operated by American Airlines.(AA 1224)
Daily 08:20 Philadelphia (PHL) 09:43 Pittsburgh (PIT)
AS 4237 Non-stop Airbus A319 (319) 1:23 Effective 2025-08-06 through 2025-09-02
Codeshare flight, operated by American Airlines.(AA 2371)
Daily 08:25 Chicago O'Hare (ORD) 3 10:38 Santa Ana (SNA)
AS 4237 Non-stop Boeing 737 MAX 8 (7M8) 4:13 Effective 2025-09-03 through 2025-10-05
Codeshare flight, operated by American Airlines.(AA 2212)
Mon,Sun 08:55 Jacksonville (JAX) 10:36 Dallas Fort Worth (DFW)
AS 4237 Non-stop Boeing 737-800 (738) 2:41 Effective 2025-07-27 through 2025-08-04
Codeshare flight, operated by American Airlines.(AA 1537)
Tue 08:55 Jacksonville (JAX) 10:36 Dallas Fort Worth (DFW)
AS 4237 Non-stop Boeing 737-800 (738) 2:41 Operates only on 2025-08-05
Codeshare flight, operated by American Airlines.(AA 1537)
Daily 09:45 Chicago O'Hare (ORD) 3 12:12 Santa Ana (SNA)
AS 4237 Non-stop Boeing 737 MAX 8 (7M8) 4:27 Effective 2025-10-06 through 2025-11-01
Codeshare flight, operated by American Airlines.(AA 2212)
Daily 09:45 Chicago O'Hare (ORD) 3 12:22 Santa Ana (SNA)
AS 4237 Non-stop Boeing 737 MAX 8 (7M8) 4:37 Effective 2025-11-02 through 2025-12-02
Codeshare flight, operated by American Airlines.(AA 2212)
Daily 09:45 Chicago O'Hare (ORD) 3 12:23 Santa Ana (SNA)
AS 4237 Non-stop Boeing 737 MAX 8 (7M8) 4:38 Effective 2025-12-03 through 2025-12-17
Codeshare flight, operated by American Airlines.(AA 2212)
Daily 09:45 Chicago O'Hare (ORD) 3 12:18 Santa Ana (SNA)
AS 4237 Non-stop Boeing 737 MAX 8 (7M8) 4:33 Effective 2025-12-18 through 2026-01-05
Codeshare flight, operated by American Airlines.(AA 2212)
Daily 09:45 Chicago O'Hare (ORD) 3 12:20 Santa Ana (SNA)
AS 4237 Non-stop Boeing 737 MAX 8 (7M8) 4:35 Effective 2026-01-06 through 2026-02-11
Codeshare flight, operated by American Airlines.(AA 2212)
Daily 09:45 Chicago O'Hare (ORD) 3 12:36 Santa Ana (SNA)
AS 4237 Non-stop Boeing 737 MAX 8 (7M8) 4:51 Effective from 2026-02-12
Codeshare flight, operated by American Airlines.(AA 2212)
Mon,Wed-Fri,Sun 09:51 Chicago O'Hare (ORD) 3 12:20 Santa Ana (SNA)
AS 4237 Non-stop Boeing 737 MAX 8 (7M8) 4:29 Valid until 2025-05-04
Codeshare flight, operated by American Airlines.(AA 2212)
Daily 10:08 Chicago O'Hare (ORD) 3 12:39 Santa Ana (SNA)
AS 4237 Non-stop Boeing 737 MAX 8 (7M8) 4:31 Effective 2025-05-05 through 2025-06-04
Codeshare flight, operated by American Airlines.(AA 2212)
Tue,Sat 10:30 Chicago O'Hare (ORD) 3 13:05 Santa Ana (SNA)
AS 4237 Non-stop Boeing 737 MAX 8 (7M8) 4:35 Valid until 2025-05-03
Codeshare flight, operated by American Airlines.(AA 2212)
Fri 10:52 George Bush, Houston (IAH) A 13:40 Chicago O'Hare (ORD) 3
AS 4237 Non-stop Embraer EMB 170 / EMB 175 (E70) 2:48 Operates only on 2025-06-06
Codeshare flight, operated by American Airlines.(AA 3335)
Mon,Wed-Fri,Sun 13:10 Santa Ana (SNA) 19:15 Chicago O'Hare (ORD) 3
AS 4237 Non-stop Boeing 737 MAX 8 (7M8) 4:05 Valid until 2025-05-04
Codeshare flight, operated by American Airlines.(AA 2212)
Daily 13:30 Santa Ana (SNA) 19:39 Chicago O'Hare (ORD) 3
AS 4237 Non-stop Boeing 737 MAX 8 (7M8) 4:09 Effective 2025-05-05 through 2025-05-23
Codeshare flight, operated by American Airlines.(AA 2212)
Daily 13:30 Santa Ana (SNA) 19:39 Chicago O'Hare (ORD) 3
AS 4237 Non-stop Boeing 737 MAX 8 (7M8) 4:09 Effective 2025-05-25 through 2025-06-04
Codeshare flight, operated by American Airlines.(AA 2212)
Daily 13:34 Santa Ana (SNA) 19:45 Chicago O'Hare (ORD) 3
AS 4237 Non-stop Boeing 737 MAX 8 (7M8) 4:11 Effective 2025-10-06 through 2025-11-01
Codeshare flight, operated by American Airlines.(AA 2212)
Daily 13:35 Santa Ana (SNA) 19:45 Chicago O'Hare (ORD) 3
AS 4237 Non-stop Boeing 737 MAX 8 (7M8) 4:10 Effective 2025-12-03 through 2025-12-17
Codeshare flight, operated by American Airlines.(AA 2212)
Daily 13:36 Santa Ana (SNA) 19:45 Chicago O'Hare (ORD) 3
AS 4237 Non-stop Boeing 737 MAX 8 (7M8) 4:09 Effective 2026-01-06 through 2026-02-11
Codeshare flight, operated by American Airlines.(AA 2212)
Daily 13:39 Santa Ana (SNA) 19:45 Chicago O'Hare (ORD) 3
AS 4237 Non-stop Boeing 737 MAX 8 (7M8) 4:06 Effective 2025-11-02 through 2025-12-02
Codeshare flight, operated by American Airlines.(AA 2212)
Daily 13:39 Santa Ana (SNA) 19:45 Chicago O'Hare (ORD) 3
AS 4237 Non-stop Boeing 737 MAX 8 (7M8) 4:06 Effective 2025-12-18 through 2026-01-05
Codeshare flight, operated by American Airlines.(AA 2212)
Daily 13:42 Santa Ana (SNA) 19:45 Chicago O'Hare (ORD) 3
AS 4237 Non-stop Boeing 737 MAX 8 (7M8) 4:03 Effective from 2026-02-12
Codeshare flight, operated by American Airlines.(AA 2212)
Sat 13:54 Chicago O'Hare (ORD) 3 16:20 Detroit (DTW) E
AS 4237 Non-stop Embraer EMB 175 (E75) 1:26 Effective 2025-06-07 through 2025-06-14
Codeshare flight, operated by American Airlines.(AA 4405)
Mon-Fri,Sun 13:54 Chicago O'Hare (ORD) 3 16:20 Detroit (DTW) E
AS 4237 Non-stop Embraer EMB 175 (E75) 1:26 Effective 2025-06-15 through 2025-07-04
Codeshare flight, operated by American Airlines.(AA 4405)
Tue,Sat 14:28 Santa Ana (SNA) 20:34 Chicago O'Hare (ORD) 3
AS 4237 Non-stop Boeing 737 MAX 8 (7M8) 4:06 Valid until 2025-05-03
Codeshare flight, operated by American Airlines.(AA 2212)
Daily 15:07 Santa Ana (SNA) 21:24 Chicago O'Hare (ORD) 3
AS 4237 Non-stop Boeing 737 MAX 8 (7M8) 4:17 Effective 2025-09-03 through 2025-10-05
Codeshare flight, operated by American Airlines.(AA 2212)
Tue,Wed 17:05 Detroit (DTW) E 17:42 Chicago O'Hare (ORD) 3
AS 4237 Non-stop Embraer EMB 175 (E75) 1:37 Effective 2025-06-17 through 2025-07-02
Codeshare flight, operated by American Airlines.(AA 4405)
Sat 17:10 Detroit (DTW) E 17:47 Chicago O'Hare (ORD) 3
AS 4237 Non-stop Embraer EMB 175 (E75) 1:37 Effective 2025-06-07 through 2025-06-14
Codeshare flight, operated by American Airlines.(AA 4405)
Mon,Thu,Fri,Sun 17:10 Detroit (DTW) E 17:47 Chicago O'Hare (ORD) 3
AS 4237 Non-stop Embraer EMB 175 (E75) 1:37 Effective 2025-06-15 through 2025-07-03
Codeshare flight, operated by American Airlines.(AA 4405)
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This flight number is listed as serving the following routes:
Alaska Airlines flight AS 4237: Multiple routes
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FLIGHT SCHEDULE
Direct Codeshare Flights:

Alaska Airlines AS4237
Effective 2025-07-05 through 2025-07-26
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 AS4237
Operates only on 2025-08-02
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 AS4237
Effective 2025-07-07 through 2025-07-25
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 AS4237
Effective 2025-07-29 through 2025-08-01
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 AS4237
Effective 2025-06-05 through 2025-06-12
Mon
-
Tue
Wed
Thu
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by American Airlines. (AA 1224)
Duration: 2:38, non-stop
Airbus A319 (319)

Alaska Airlines AS4237
Effective 2025-06-08 through 2025-06-13
Mon
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
Codeshare flight, operated by American Airlines. (AA 1224)
Duration: 2:06, non-stop
Airbus A319 (319)

Alaska Airlines AS4237
Effective 2025-08-06 through 2025-09-02
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 2371)
Duration: 1:23, non-stop
Airbus A319 (319)

Alaska Airlines AS4237
Effective 2025-09-03 through 2025-10-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 2212)
Duration: 4:13, non-stop
Boeing 737 MAX 8 (7M8)

Alaska Airlines AS4237
Effective 2025-07-27 through 2025-08-04
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Codeshare flight, operated by American Airlines. (AA 1537)
Duration: 2:41, non-stop
Boeing 737-800 (738)

Alaska Airlines AS4237
Operates only on 2025-08-05
Mon
-
Tue
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by American Airlines. (AA 1537)
Duration: 2:41, non-stop
Boeing 737-800 (738)

Alaska Airlines AS4237
Effective 2025-10-06 through 2025-11-01
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 2212)
Duration: 4:27, non-stop
Boeing 737 MAX 8 (7M8)

Alaska Airlines AS4237
Effective 2025-11-02 through 2025-12-02
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 2212)
Duration: 4:37, non-stop
Boeing 737 MAX 8 (7M8)

Alaska Airlines AS4237
Effective 2025-12-03 through 2025-12-17
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 2212)
Duration: 4:38, non-stop
Boeing 737 MAX 8 (7M8)

Alaska Airlines AS4237
Effective 2025-12-18 through 2026-01-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 2212)
Duration: 4:33, non-stop
Boeing 737 MAX 8 (7M8)

Alaska Airlines AS4237
Effective 2026-01-06 through 2026-02-11
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 2212)
Duration: 4:35, non-stop
Boeing 737 MAX 8 (7M8)

Alaska Airlines AS4237
Effective from 2026-02-12
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 2212)
Duration: 4:51, non-stop
Boeing 737 MAX 8 (7M8)

Alaska Airlines AS4237
Valid until 2025-05-04
Mon
Tue
-
Wed
Thu
Fri
Sat
-
Sun
Codeshare flight, operated by American Airlines. (AA 2212)
Duration: 4:29, non-stop
Boeing 737 MAX 8 (7M8)

Alaska Airlines AS4237
Effective 2025-05-05 through 2025-06-04
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 2212)
Duration: 4:31, non-stop
Boeing 737 MAX 8 (7M8)

Alaska Airlines AS4237
Valid until 2025-05-03
Mon
-
Tue
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by American Airlines. (AA 2212)
Duration: 4:35, non-stop
Boeing 737 MAX 8 (7M8)

Alaska Airlines AS4237
Operates only on 2025-06-06
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Codeshare flight, operated by American Airlines. (AA 3335)
Duration: 2:48, non-stop
Embraer EMB 170 / EMB 175 (E70)

Alaska Airlines AS4237
Valid until 2025-05-04
Mon
Tue
-
Wed
Thu
Fri
Sat
-
Sun
Codeshare flight, operated by American Airlines. (AA 2212)
Duration: 4:05, non-stop
Boeing 737 MAX 8 (7M8)

Alaska Airlines AS4237
Effective 2025-05-05 through 2025-05-23
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 2212)
Duration: 4:09, non-stop
Boeing 737 MAX 8 (7M8)

Alaska Airlines AS4237
Effective 2025-05-25 through 2025-06-04
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 2212)
Duration: 4:09, non-stop
Boeing 737 MAX 8 (7M8)

Alaska Airlines AS4237
Effective 2025-10-06 through 2025-11-01
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 2212)
Duration: 4:11, non-stop
Boeing 737 MAX 8 (7M8)

Alaska Airlines AS4237
Effective 2025-12-03 through 2025-12-17
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 2212)
Duration: 4:10, non-stop
Boeing 737 MAX 8 (7M8)

Alaska Airlines AS4237
Effective 2026-01-06 through 2026-02-11
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 2212)
Duration: 4:09, non-stop
Boeing 737 MAX 8 (7M8)

Alaska Airlines AS4237
Effective 2025-11-02 through 2025-12-02
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 2212)
Duration: 4:06, non-stop
Boeing 737 MAX 8 (7M8)

Alaska Airlines AS4237
Effective 2025-12-18 through 2026-01-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 2212)
Duration: 4:06, non-stop
Boeing 737 MAX 8 (7M8)

Alaska Airlines AS4237
Effective from 2026-02-12
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 2212)
Duration: 4:03, non-stop
Boeing 737 MAX 8 (7M8)

Alaska Airlines AS4237
Effective 2025-06-07 through 2025-06-14
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by American Airlines. (AA 4405)
Duration: 1:26, non-stop
Embraer EMB 175 (E75)

Alaska Airlines AS4237
Effective 2025-06-15 through 2025-07-04
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Codeshare flight, operated by American Airlines. (AA 4405)
Duration: 1:26, non-stop
Embraer EMB 175 (E75)

Alaska Airlines AS4237
Valid until 2025-05-03
Mon
-
Tue
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by American Airlines. (AA 2212)
Duration: 4:06, non-stop
Boeing 737 MAX 8 (7M8)

Alaska Airlines AS4237
Effective 2025-09-03 through 2025-10-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 2212)
Duration: 4:17, non-stop
Boeing 737 MAX 8 (7M8)

Alaska Airlines AS4237
Effective 2025-06-17 through 2025-07-02
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by American Airlines. (AA 4405)
Duration: 1:37, non-stop
Embraer EMB 175 (E75)

Alaska Airlines AS4237
Effective 2025-06-07 through 2025-06-14
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by American Airlines. (AA 4405)
Duration: 1:37, non-stop
Embraer EMB 175 (E75)

Alaska Airlines AS4237
Effective 2025-06-15 through 2025-07-03
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Codeshare flight, operated by American Airlines. (AA 4405)
Duration: 1:37, non-stop
Embraer EMB 175 (E75)
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This flight number is listed as serving the following routes:
  • Chicago O'Hare (ORD) - Detroit (DTW)
  • Chicago O'Hare (ORD) - Hartford (BDL)
  • George Bush, Houston (IAH) - Chicago O'Hare (ORD)
  • Jacksonville (JAX) - Dallas Fort Worth (DFW)
  • Memphis (MEM) - Dallas Fort Worth (DFW)
  • Philadelphia (PHL) - Pittsburgh (PIT)
  • Santa Ana (SNA) - Chicago O'Hare (ORD)