Alaska Airlines flight AS 4237: Multiple routes

Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:
Daily 08:05 Chicago O'Hare (ORD) 3 10:33 Santa Ana (SNA)
AS 4237 Non-stop Boeing 737 MAX 8 (7M8) 4:28 Effective from 2026-10-05
Codeshare flight, operated by American Airlines.(AA 2212)
Daily 08:15 Philadelphia (PHL) F 09:36 Pittsburgh (PIT)
AS 4237 Non-stop Embraer ERJ 145 (ER4) 1:21 Effective 2026-08-05 through 2026-09-08
Codeshare flight, operated by American Airlines.(AA 6055)
Daily 09:45 Chicago O'Hare (ORD) 3 12:14 Santa Ana (SNA)
AS 4237 Non-stop Boeing 737 MAX 8 (7M8) 4:29 Effective 2026-04-07 through 2026-05-20
Codeshare flight, operated by American Airlines.(AA 2212)
Daily 09:57 Jacksonville (JAX) 11:39 Dallas Fort Worth (DFW)
AS 4237 Non-stop Boeing 737-800 (738) 2:42 Effective 2026-05-21 through 2026-07-01
Codeshare flight, operated by American Airlines.(AA 1537)
Daily 09:58 Jacksonville (JAX) 11:39 Dallas Fort Worth (DFW)
AS 4237 Non-stop Boeing 737-800 (738) 2:41 Effective 2026-07-02 through 2026-08-04
Codeshare flight, operated by American Airlines.(AA 1537)
Mon-Fri,Sun 10:27 Chicago O'Hare (ORD) 3 13:04 Santa Ana (SNA)
AS 4237 Non-stop Boeing 737 MAX 8 (7M8) 4:37 Effective 2026-01-06 through 2026-02-11
Codeshare flight, operated by American Airlines.(AA 2212)
Tue,Wed 10:28 Chicago O'Hare (ORD) 3 13:08 Santa Ana (SNA)
AS 4237 Non-stop Boeing 737 MAX 8 (7M8) 4:40 Effective 2026-02-17 through 2026-03-04
Codeshare flight, operated by American Airlines.(AA 2212)
Daily 11:45 Chicago O'Hare (ORD) 3 14:14 Santa Ana (SNA)
AS 4237 Non-stop Boeing 737 MAX 8 (7M8) 4:29 Valid until 2026-01-05
Codeshare flight, operated by American Airlines.(AA 2212)
Mon,Thu,Fri,Sun 11:45 Chicago O'Hare (ORD) 3 14:25 Santa Ana (SNA)
AS 4237 Non-stop Boeing 737 MAX 8 (7M8) 4:40 Effective 2026-02-12 through 2026-03-06
Codeshare flight, operated by American Airlines.(AA 2212)
Daily 11:49 Chicago O'Hare (ORD) 3 14:26 Santa Ana (SNA)
AS 4237 Non-stop Boeing 737 MAX 8 (7M8) 4:37 Effective 2026-03-08 through 2026-04-06
Codeshare flight, operated by American Airlines.(AA 2212)
Mon-Fri,Sun 13:54 Santa Ana (SNA) 20:08 Chicago O'Hare (ORD) 3
AS 4237 Non-stop Boeing 737 MAX 8 (7M8) 4:14 Effective 2026-01-06 through 2026-02-11
Codeshare flight, operated by American Airlines.(AA 2212)
Tue,Wed 13:58 Santa Ana (SNA) 20:05 Chicago O'Hare (ORD) 3
AS 4237 Non-stop Boeing 737 MAX 8 (7M8) 4:07 Effective 2026-02-17 through 2026-03-04
Codeshare flight, operated by American Airlines.(AA 2212)
Mon,Tue,Thu-Sun 15:04 Santa Ana (SNA) 21:25 Chicago O'Hare (ORD) 3
AS 4237 Non-stop Boeing 737 MAX 8 (7M8) 4:21 Valid until 2026-01-05
Codeshare flight, operated by American Airlines.(AA 2212)
Mon,Thu,Fri,Sun 15:15 Santa Ana (SNA) 21:16 Chicago O'Hare (ORD) 3
AS 4237 Non-stop Boeing 737 MAX 8 (7M8) 4:01 Effective 2026-02-12 through 2026-03-06
Codeshare flight, operated by American Airlines.(AA 2212)
Daily 15:24 Santa Ana (SNA) 21:35 Chicago O'Hare (ORD) 3
AS 4237 Non-stop Boeing 737 MAX 8 (7M8) 4:11 Effective 2026-03-08 through 2026-04-06
Codeshare flight, operated by American Airlines.(AA 2212)
This flight number is listed as serving the following routes:


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Alaska Airlines flight AS 4237: Multiple routes
Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:
Alaska Airlines AS4237
08:05
Chicago O'Hare (ORD) 3

10:33
Santa Ana (SNA)
Effective from 2026-10-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 2212)
Duration: 4:28, non-stop
Boeing 737 MAX 8 (7M8)
Direct Codeshare Flights:
Alaska Airlines AS4237
08:15
Philadelphia (PHL) F

09:36
Pittsburgh (PIT)
Effective 2026-08-05 through 2026-09-08
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 6055)
Duration: 1:21, non-stop
Embraer ERJ 145 (ER4)
Direct Codeshare Flights:
Alaska Airlines AS4237
09:45
Chicago O'Hare (ORD) 3

12:14
Santa Ana (SNA)
Effective 2026-04-07 through 2026-05-20
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)
Direct Codeshare Flights:
Alaska Airlines AS4237
09:57
Jacksonville (JAX)

11:39
Dallas Fort Worth (DFW)
Effective 2026-05-21 through 2026-07-01
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 1537)
Duration: 2:42, non-stop
Boeing 737-800 (738)
Direct Codeshare Flights:
Alaska Airlines AS4237
09:58
Jacksonville (JAX)

11:39
Dallas Fort Worth (DFW)
Effective 2026-07-02 through 2026-08-04
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 1537)
Duration: 2:41, non-stop
Boeing 737-800 (738)
Direct Codeshare Flights:
Alaska Airlines AS4237
10:27
Chicago O'Hare (ORD) 3

13:04
Santa Ana (SNA)
Effective 2026-01-06 through 2026-02-11
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Codeshare flight, operated by American Airlines. (AA 2212)
Duration: 4:37, non-stop
Boeing 737 MAX 8 (7M8)
Direct Codeshare Flights:
Alaska Airlines AS4237
10:28
Chicago O'Hare (ORD) 3

13:08
Santa Ana (SNA)
Effective 2026-02-17 through 2026-03-04
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by American Airlines. (AA 2212)
Duration: 4:40, non-stop
Boeing 737 MAX 8 (7M8)
Direct Codeshare Flights:
Alaska Airlines AS4237
11:45
Chicago O'Hare (ORD) 3

14:14
Santa Ana (SNA)
Valid until 2026-01-05
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)
Direct Codeshare Flights:
Alaska Airlines AS4237
11:45
Chicago O'Hare (ORD) 3

14:25
Santa Ana (SNA)
Effective 2026-02-12 through 2026-03-06
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Codeshare flight, operated by American Airlines. (AA 2212)
Duration: 4:40, non-stop
Boeing 737 MAX 8 (7M8)
Direct Codeshare Flights:
Alaska Airlines AS4237
11:49
Chicago O'Hare (ORD) 3

14:26
Santa Ana (SNA)
Effective 2026-03-08 through 2026-04-06
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)
Direct Codeshare Flights:
Alaska Airlines AS4237
13:54
Santa Ana (SNA)

20:08
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 2212)
Duration: 4:14, non-stop
Boeing 737 MAX 8 (7M8)
Direct Codeshare Flights:
Alaska Airlines AS4237
13:58
Santa Ana (SNA)

20:05
Chicago O'Hare (ORD) 3
Effective 2026-02-17 through 2026-03-04
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by American Airlines. (AA 2212)
Duration: 4:07, non-stop
Boeing 737 MAX 8 (7M8)
Direct Codeshare Flights:
Alaska Airlines AS4237
15:04
Santa Ana (SNA)

21:25
Chicago O'Hare (ORD) 3
Valid until 2026-01-05
Mon
Tue
Wed
-
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 2212)
Duration: 4:21, non-stop
Boeing 737 MAX 8 (7M8)
Direct Codeshare Flights:
Alaska Airlines AS4237
15:15
Santa Ana (SNA)

21:16
Chicago O'Hare (ORD) 3
Effective 2026-02-12 through 2026-03-06
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Codeshare flight, operated by American Airlines. (AA 2212)
Duration: 4:01, non-stop
Boeing 737 MAX 8 (7M8)
Direct Codeshare Flights:
Alaska Airlines AS4237
15:24
Santa Ana (SNA)

21:35
Chicago O'Hare (ORD) 3
Effective 2026-03-08 through 2026-04-06
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)
This flight number is listed as serving the following routes:
  • Chicago O'Hare (ORD) - Santa Ana (SNA)
  • Jacksonville (JAX) - Dallas Fort Worth (DFW)
  • Philadelphia (PHL) - Pittsburgh (PIT)
All Alaska Airlines flights
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