Alaska Airlines flight AS 4120: Multiple routes

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FLIGHT SCHEDULE
Direct Codeshare Flights:
Mon-Sat 07:00 Dallas Fort Worth (DFW) 08:06 Santa Ana (SNA)
AS 4120 Non-stop Boeing 737-800 (738) 3:06 Effective 2025-08-06 through 2025-09-02
Codeshare flight, operated by American Airlines.(AA 1331)
Daily 07:00 Dallas Fort Worth (DFW) 08:20 Santa Ana (SNA)
AS 4120 Non-stop Boeing 737-800 (738) 3:20 Effective 2025-09-03 through 2025-09-27
Codeshare flight, operated by American Airlines.(AA 1331)
Wed 07:00 Oklahoma City (OKC) 09:10 Chicago O'Hare (ORD) 3
AS 4120 Non-stop Canadair CRJ 700 (CR7) 2:10 Operates only on 2025-10-01
Codeshare flight, operated by American Airlines.(AA 6413)
Thu-Sat 07:00 Dallas Fort Worth (DFW) 08:20 Santa Ana (SNA)
AS 4120 Non-stop Boeing 737-800 (738) 3:20 Effective 2025-10-02 through 2025-10-04
Codeshare flight, operated by American Airlines.(AA 1331)
Daily 07:00 Dallas Fort Worth (DFW) 08:29 Santa Ana (SNA)
AS 4120 Non-stop Boeing 737-800 (738) 3:29 Effective 2025-10-06 through 2025-10-25
Codeshare flight, operated by American Airlines.(AA 1331)
Mon,Tue,Thu,Sat 07:05 Dallas Fort Worth (DFW) 08:32 Santa Ana (SNA)
AS 4120 Non-stop Boeing 737-800 (738) 3:27 Effective 2025-05-05 through 2025-05-10
Codeshare flight, operated by American Airlines.(AA 1331)
Mon-Thu,Sat,Sun 07:05 Dallas Fort Worth (DFW) 08:32 Santa Ana (SNA)
AS 4120 Non-stop Boeing 737-800 (738) 3:27 Effective 2025-05-13 through 2025-05-20
Codeshare flight, operated by American Airlines.(AA 1331)
Daily 07:05 Dallas Fort Worth (DFW) 08:32 Santa Ana (SNA)
AS 4120 Non-stop Boeing 737-800 (738) 3:27 Effective 2025-05-22 through 2025-05-28
Codeshare flight, operated by American Airlines.(AA 1331)
Mon,Tue,Sat 07:05 Dallas Fort Worth (DFW) 08:32 Santa Ana (SNA)
AS 4120 Non-stop Boeing 737-800 (738) 3:27 Effective 2025-05-31 through 2025-06-03
Codeshare flight, operated by American Airlines.(AA 1331)
Mon-Fri 07:08 Dallas Fort Worth (DFW) 08:17 Santa Ana (SNA)
AS 4120 Non-stop Boeing 737-800 (738) 3:09 Effective 2025-07-07 through 2025-08-05
Codeshare flight, operated by American Airlines.(AA 1331)
Daily 07:10 Dallas Fort Worth (DFW) 08:41 Santa Ana (SNA)
AS 4120 Non-stop Boeing 737-800 (738) 3:31 Valid until 2025-05-04
Codeshare flight, operated by American Airlines.(AA 1331)
Daily 07:10 Dallas Fort Worth (DFW) 08:24 Santa Ana (SNA)
AS 4120 Non-stop Boeing 737-800 (738) 3:14 Effective 2025-06-05 through 2025-07-04
Codeshare flight, operated by American Airlines.(AA 1331)
Sat,Sun 07:10 Dallas Fort Worth (DFW) 08:19 Santa Ana (SNA)
AS 4120 Non-stop Boeing 737-800 (738) 3:09 Effective 2025-07-05 through 2025-08-03
Codeshare flight, operated by American Airlines.(AA 1331)
Sun 07:10 Dallas Fort Worth (DFW) 08:16 Santa Ana (SNA)
AS 4120 Non-stop Boeing 737-800 (738) 3:06 Effective 2025-08-10 through 2025-08-31
Codeshare flight, operated by American Airlines.(AA 1331)
Sun 08:14 Philadelphia (PHL) F 10:37 Jacksonville (JAX)
AS 4120 Non-stop Canadair CRJ 900 (CR9) 2:23 Operates only on 2025-10-05
Codeshare flight, operated by American Airlines.(AA 5488)
Mon,Sun 08:35 Dallas Fort Worth (DFW) 10:01 Santa Ana (SNA)
AS 4120 Non-stop Boeing 737 MAX 8 (7M8) 3:26 Effective 2025-05-11 through 2025-05-12
Codeshare flight, operated by American Airlines.(AA 2114)
Mon,Tue,Thu,Sat,Sun 09:26 Santa Ana (SNA) 14:30 Dallas Fort Worth (DFW)
AS 4120 Non-stop Boeing 737-800 (738) 3:04 Effective 2025-05-15 through 2025-05-22
Codeshare flight, operated by American Airlines.(AA 1331)
Mon-Wed,Fri-Sun 09:26 Santa Ana (SNA) 14:30 Dallas Fort Worth (DFW)
AS 4120 Non-stop Boeing 737-800 (738) 3:04 Effective 2025-05-23 through 2025-05-28
Codeshare flight, operated by American Airlines.(AA 1331)
Mon,Tue,Sat 09:26 Santa Ana (SNA) 14:30 Dallas Fort Worth (DFW)
AS 4120 Non-stop Boeing 737-800 (738) 3:04 Effective 2025-05-31 through 2025-06-03
Codeshare flight, operated by American Airlines.(AA 1331)
Daily 09:37 Tampa (TPA) 11:39 Dallas Fort Worth (DFW)
AS 4120 Non-stop Airbus A321 (321) 3:02 Effective 2026-01-06 through 2026-02-11
Codeshare flight, operated by American Airlines.(AA 1514)
Daily 09:39 Tampa (TPA) 11:39 Dallas Fort Worth (DFW)
AS 4120 Non-stop Airbus A321 (321) 3:00 Effective 2025-12-18 through 2026-01-05
Codeshare flight, operated by American Airlines.(AA 1514)
Daily 09:41 Tampa (TPA) 11:39 Dallas Fort Worth (DFW)
AS 4120 Non-stop Airbus A321 (321) 2:58 Effective 2025-12-03 through 2025-12-17
Codeshare flight, operated by American Airlines.(AA 1514)
Daily 09:42 Tampa (TPA) 11:39 Dallas Fort Worth (DFW)
AS 4120 Non-stop Airbus A321 (321) 2:57 Effective 2025-11-08 through 2025-12-02
Codeshare flight, operated by American Airlines.(AA 1514)
Daily 09:45 Tampa (TPA) 11:39 Dallas Fort Worth (DFW)
AS 4120 Non-stop Airbus A321 (321) 2:54 Effective from 2026-02-12
Codeshare flight, operated by American Airlines.(AA 1514)
Mon,Sun 14:29 Newark Liberty, New York (EWR) A 16:09 Chicago O'Hare (ORD) 3
AS 4120 Non-stop Embraer EMB 170 / EMB 175 (E70) 2:40 Effective 2025-09-28 through 2025-09-29
Codeshare flight, operated by American Airlines.(AA 3878)
Daily 17:03 Harrisburg (MDT) 17:55 Philadelphia (PHL) F
AS 4120 Non-stop Embraer ERJ 145 (ER4) 0:52 Effective 2025-10-26 through 2025-11-01
Codeshare flight, operated by American Airlines.(AA 5782)
Sun 17:05 Miami (MIA) 19:33 Chicago O'Hare (ORD) 3
AS 4120 Non-stop Boeing 737-800 (738) 3:28 Operates only on 2025-11-02
Codeshare flight, operated by American Airlines.(AA 1682)
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This flight number is listed as serving the following routes:


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Alaska Airlines flight AS 4120: Multiple routes
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Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:
Alaska Airlines AS4120
07:00
Dallas Fort Worth (DFW)

08:06
Santa Ana (SNA)
Effective 2025-08-06 through 2025-09-02
Mon
Tue
Wed
Thu
Fri
Sat
Sun
-
Codeshare flight, operated by American Airlines. (AA 1331)
Duration: 3:06, non-stop
Boeing 737-800 (738)
Alaska Airlines AS4120
07:00
Dallas Fort Worth (DFW)

08:20
Santa Ana (SNA)
Effective 2025-09-03 through 2025-09-27
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 1331)
Duration: 3:20, non-stop
Boeing 737-800 (738)
Alaska Airlines AS4120
07:00
Oklahoma City (OKC)

09:10
Chicago O'Hare (ORD) 3
Operates only on 2025-10-01
Mon
-
Tue
-
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by American Airlines. (AA 6413)
Duration: 2:10, non-stop
Canadair CRJ 700 (CR7)
Alaska Airlines AS4120
07:00
Dallas Fort Worth (DFW)

08:20
Santa Ana (SNA)
Effective 2025-10-02 through 2025-10-04
Mon
-
Tue
-
Wed
-
Thu
Fri
Sat
Sun
-
Codeshare flight, operated by American Airlines. (AA 1331)
Duration: 3:20, non-stop
Boeing 737-800 (738)
Alaska Airlines AS4120
07:00
Dallas Fort Worth (DFW)

08:29
Santa Ana (SNA)
Effective 2025-10-06 through 2025-10-25
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 1331)
Duration: 3:29, non-stop
Boeing 737-800 (738)
Alaska Airlines AS4120
07:05
Dallas Fort Worth (DFW)

08:32
Santa Ana (SNA)
Effective 2025-05-05 through 2025-05-10
Mon
Tue
Wed
-
Thu
Fri
-
Sat
Sun
-
Codeshare flight, operated by American Airlines. (AA 1331)
Duration: 3:27, non-stop
Boeing 737-800 (738)
Alaska Airlines AS4120
07:05
Dallas Fort Worth (DFW)

08:32
Santa Ana (SNA)
Effective 2025-05-13 through 2025-05-20
Mon
Tue
Wed
Thu
Fri
-
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 1331)
Duration: 3:27, non-stop
Boeing 737-800 (738)
Alaska Airlines AS4120
07:05
Dallas Fort Worth (DFW)

08:32
Santa Ana (SNA)
Effective 2025-05-22 through 2025-05-28
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 1331)
Duration: 3:27, non-stop
Boeing 737-800 (738)
Alaska Airlines AS4120
07:05
Dallas Fort Worth (DFW)

08:32
Santa Ana (SNA)
Effective 2025-05-31 through 2025-06-03
Mon
Tue
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by American Airlines. (AA 1331)
Duration: 3:27, non-stop
Boeing 737-800 (738)
Alaska Airlines AS4120
07:08
Dallas Fort Worth (DFW)

08:17
Santa Ana (SNA)
Effective 2025-07-07 through 2025-08-05
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
-
Codeshare flight, operated by American Airlines. (AA 1331)
Duration: 3:09, non-stop
Boeing 737-800 (738)
Alaska Airlines AS4120
07:10
Dallas Fort Worth (DFW)

08:41
Santa Ana (SNA)
Valid until 2025-05-04
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 1331)
Duration: 3:31, non-stop
Boeing 737-800 (738)
Alaska Airlines AS4120
07:10
Dallas Fort Worth (DFW)

08:24
Santa Ana (SNA)
Effective 2025-06-05 through 2025-07-04
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 1331)
Duration: 3:14, non-stop
Boeing 737-800 (738)
Alaska Airlines AS4120
07:10
Dallas Fort Worth (DFW)

08:19
Santa Ana (SNA)
Effective 2025-07-05 through 2025-08-03
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 1331)
Duration: 3:09, non-stop
Boeing 737-800 (738)
Alaska Airlines AS4120
07:10
Dallas Fort Worth (DFW)

08:16
Santa Ana (SNA)
Effective 2025-08-10 through 2025-08-31
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Codeshare flight, operated by American Airlines. (AA 1331)
Duration: 3:06, non-stop
Boeing 737-800 (738)
Alaska Airlines AS4120
08:14
Philadelphia (PHL) F

10:37
Jacksonville (JAX)
Operates only on 2025-10-05
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Codeshare flight, operated by American Airlines. (AA 5488)
Duration: 2:23, non-stop
Canadair CRJ 900 (CR9)
Alaska Airlines AS4120
08:35
Dallas Fort Worth (DFW)

10:01
Santa Ana (SNA)
Effective 2025-05-11 through 2025-05-12
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Codeshare flight, operated by American Airlines. (AA 2114)
Duration: 3:26, non-stop
Boeing 737 MAX 8 (7M8)
Alaska Airlines AS4120
09:26
Santa Ana (SNA)

14:30
Dallas Fort Worth (DFW)
Effective 2025-05-15 through 2025-05-22
Mon
Tue
Wed
-
Thu
Fri
-
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 1331)
Duration: 3:04, non-stop
Boeing 737-800 (738)
Alaska Airlines AS4120
09:26
Santa Ana (SNA)

14:30
Dallas Fort Worth (DFW)
Effective 2025-05-23 through 2025-05-28
Mon
Tue
Wed
Thu
-
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 1331)
Duration: 3:04, non-stop
Boeing 737-800 (738)
Alaska Airlines AS4120
09:26
Santa Ana (SNA)

14:30
Dallas Fort Worth (DFW)
Effective 2025-05-31 through 2025-06-03
Mon
Tue
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by American Airlines. (AA 1331)
Duration: 3:04, non-stop
Boeing 737-800 (738)
Alaska Airlines AS4120
09:37
Tampa (TPA)

11:39
Dallas Fort Worth (DFW)
Effective 2026-01-06 through 2026-02-11
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 1514)
Duration: 3:02, non-stop
Airbus A321 (321)
Alaska Airlines AS4120
09:39
Tampa (TPA)

11:39
Dallas Fort Worth (DFW)
Effective 2025-12-18 through 2026-01-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 1514)
Duration: 3:00, non-stop
Airbus A321 (321)
Alaska Airlines AS4120
09:41
Tampa (TPA)

11:39
Dallas Fort Worth (DFW)
Effective 2025-12-03 through 2025-12-17
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 1514)
Duration: 2:58, non-stop
Airbus A321 (321)
Alaska Airlines AS4120
09:42
Tampa (TPA)

11:39
Dallas Fort Worth (DFW)
Effective 2025-11-08 through 2025-12-02
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 1514)
Duration: 2:57, non-stop
Airbus A321 (321)
Alaska Airlines AS4120
09:45
Tampa (TPA)

11:39
Dallas Fort Worth (DFW)
Effective from 2026-02-12
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 1514)
Duration: 2:54, non-stop
Airbus A321 (321)
Alaska Airlines AS4120
14:29
Newark Liberty, New York (EWR) A

16:09
Chicago O'Hare (ORD) 3
Effective 2025-09-28 through 2025-09-29
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Codeshare flight, operated by American Airlines. (AA 3878)
Duration: 2:40, non-stop
Embraer EMB 170 / EMB 175 (E70)
Alaska Airlines AS4120
17:03
Harrisburg (MDT)

17:55
Philadelphia (PHL) F
Effective 2025-10-26 through 2025-11-01
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 5782)
Duration: 0:52, non-stop
Embraer ERJ 145 (ER4)
Alaska Airlines AS4120
17:05
Miami (MIA)

19:33
Chicago O'Hare (ORD) 3
Operates only on 2025-11-02
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Codeshare flight, operated by American Airlines. (AA 1682)
Duration: 3:28, non-stop
Boeing 737-800 (738)
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This flight number is listed as serving the following routes:
  • Dallas Fort Worth (DFW) - Santa Ana (SNA)
  • Harrisburg (MDT) - Philadelphia (PHL)
  • Miami (MIA) - Chicago O'Hare (ORD)
  • Newark Liberty, New York (EWR) - Chicago O'Hare (ORD)
  • Oklahoma City (OKC) - Chicago O'Hare (ORD)
  • Philadelphia (PHL) - Jacksonville (JAX)
  • Tampa (TPA) - Dallas Fort Worth (DFW)
All Alaska Airlines flights
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