Alaska Airlines flight AS 4123: Multiple routes

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FLIGHT SCHEDULE
Direct Codeshare Flights:
Sat 08:10 Chicago O'Hare (ORD) 3 11:29 Charleston (CHS)
AS 4123 Non-stop Embraer EMB 175 (E75) 2:19 Operates only on 2026-02-14
Codeshare flight, operated by American Airlines.(AA 4219)
Mon-Fri 08:17 Chicago O'Hare (ORD) 3 11:39 Charleston (CHS)
AS 4123 Non-stop Embraer EMB 175 (E75) 2:22 Effective 2026-03-09 through 2026-04-06
Codeshare flight, operated by American Airlines.(AA 4219)
Mon,Thu,Fri 08:19 Chicago O'Hare (ORD) 3 11:38 Charleston (CHS)
AS 4123 Non-stop Embraer EMB 170 / EMB 175 (E70) 2:19 Effective 2026-02-12 through 2026-02-20
Codeshare flight, operated by American Airlines.(AA 4219)
Mon,Thu,Fri,Sun 08:19 Chicago O'Hare (ORD) 3 11:38 Charleston (CHS)
AS 4123 Non-stop Embraer EMB 170 / EMB 175 (E70) 2:19 Effective 2026-02-22 through 2026-03-06
Codeshare flight, operated by American Airlines.(AA 4219)
Sat 08:25 Chicago O'Hare (ORD) 3 11:44 Charleston (CHS)
AS 4123 Non-stop Embraer EMB 175 (E75) 2:19 Effective 2026-02-21 through 2026-03-07
Codeshare flight, operated by American Airlines.(AA 4219)
Sun 08:28 Chicago O'Hare (ORD) 3 11:50 Charleston (CHS)
AS 4123 Non-stop Embraer EMB 175 (E75) 2:22 Effective 2026-03-08 through 2026-04-05
Codeshare flight, operated by American Airlines.(AA 4219)
Sat 08:31 Chicago O'Hare (ORD) 3 11:53 Charleston (CHS)
AS 4123 Non-stop Embraer EMB 175 (E75) 2:22 Effective 2026-03-14 through 2026-04-04
Codeshare flight, operated by American Airlines.(AA 4219)
Daily 17:37 Orlando (MCO) B 19:44 Chicago O'Hare (ORD) 3
AS 4123 Non-stop Boeing 737-800 (738) 3:07 Effective 2026-08-05 through 2026-09-08
Codeshare flight, operated by American Airlines.(AA 1630)
Daily 18:02 Orlando (MCO) B 20:10 Chicago O'Hare (ORD) 3
AS 4123 Non-stop Boeing 737-800 (738) 3:08 Effective 2026-01-06 through 2026-01-16
Codeshare flight, operated by American Airlines.(AA 2484)
Daily 18:02 Orlando (MCO) B 20:10 Chicago O'Hare (ORD) 3
AS 4123 Non-stop Boeing 737-800 (738) 3:08 Effective 2026-01-19 through 2026-02-11
Codeshare flight, operated by American Airlines.(AA 2484)
Daily 20:11 Austin (AUS) 21:24 Dallas Fort Worth (DFW)
AS 4123 Non-stop Embraer EMB 170 / EMB 175 (E70) 1:13 Effective 2026-06-10 through 2026-07-01
Codeshare flight, operated by American Airlines.(AA 3399)
Daily 20:17 Austin (AUS) 21:25 Dallas Fort Worth (DFW)
AS 4123 Non-stop Embraer EMB 170 / EMB 175 (E70) 1:08 Effective 2026-07-02 through 2026-08-04
Codeshare flight, operated by American Airlines.(AA 3397)
Daily 20:29 Austin (AUS) 21:41 Dallas Fort Worth (DFW)
AS 4123 Non-stop Boeing 737-800 (738) 1:12 Effective 2026-04-07 through 2026-05-20
Codeshare flight, operated by American Airlines.(AA 789)
Daily 20:37 Austin (AUS) 21:47 Dallas Fort Worth (DFW)
AS 4123 Non-stop Airbus A320 (320) 1:10 Effective from 2026-10-05
Codeshare flight, operated by American Airlines.(AA 2767)
Sun 23:55 Chicago O'Hare (ORD) 3 03:18 Charleston (CHS)
AS 4123 Non-stop Canadair CRJ 900 (CR9) 2:23 Operates only on 2026-01-04
Codeshare flight, operated by American Airlines.(AA 5531)
The flight arrives 1 day after departure.
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This flight number is listed as serving the following routes:


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Alaska Airlines flight AS 4123: Multiple routes
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Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:
Alaska Airlines AS4123
08:10
Chicago O'Hare (ORD) 3

11:29
Charleston (CHS)
Operates only on 2026-02-14
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by American Airlines. (AA 4219)
Duration: 2:19, non-stop
Embraer EMB 175 (E75)
Direct Codeshare Flights:
Alaska Airlines AS4123
08:17
Chicago O'Hare (ORD) 3

11:39
Charleston (CHS)
Effective 2026-03-09 through 2026-04-06
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
-
Codeshare flight, operated by American Airlines. (AA 4219)
Duration: 2:22, non-stop
Embraer EMB 175 (E75)
Direct Codeshare Flights:
Alaska Airlines AS4123
08:19
Chicago O'Hare (ORD) 3

11:38
Charleston (CHS)
Effective 2026-02-12 through 2026-02-20
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Codeshare flight, operated by American Airlines. (AA 4219)
Duration: 2:19, non-stop
Embraer EMB 170 / EMB 175 (E70)
Direct Codeshare Flights:
Alaska Airlines AS4123
08:19
Chicago O'Hare (ORD) 3

11:38
Charleston (CHS)
Effective 2026-02-22 through 2026-03-06
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Codeshare flight, operated by American Airlines. (AA 4219)
Duration: 2:19, non-stop
Embraer EMB 170 / EMB 175 (E70)
Direct Codeshare Flights:
Alaska Airlines AS4123
08:25
Chicago O'Hare (ORD) 3

11:44
Charleston (CHS)
Effective 2026-02-21 through 2026-03-07
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by American Airlines. (AA 4219)
Duration: 2:19, non-stop
Embraer EMB 175 (E75)
Direct Codeshare Flights:
Alaska Airlines AS4123
08:28
Chicago O'Hare (ORD) 3

11:50
Charleston (CHS)
Effective 2026-03-08 through 2026-04-05
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Codeshare flight, operated by American Airlines. (AA 4219)
Duration: 2:22, non-stop
Embraer EMB 175 (E75)
Direct Codeshare Flights:
Alaska Airlines AS4123
08:31
Chicago O'Hare (ORD) 3

11:53
Charleston (CHS)
Effective 2026-03-14 through 2026-04-04
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by American Airlines. (AA 4219)
Duration: 2:22, non-stop
Embraer EMB 175 (E75)
Direct Codeshare Flights:
Alaska Airlines AS4123
17:37
Orlando (MCO) B

19:44
Chicago O'Hare (ORD) 3
Effective 2026-08-05 through 2026-09-08
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 1630)
Duration: 3:07, non-stop
Boeing 737-800 (738)
Direct Codeshare Flights:
Alaska Airlines AS4123
18:02
Orlando (MCO) B

20:10
Chicago O'Hare (ORD) 3
Effective 2026-01-06 through 2026-01-16
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 2484)
Duration: 3:08, non-stop
Boeing 737-800 (738)
Direct Codeshare Flights:
Alaska Airlines AS4123
18:02
Orlando (MCO) B

20:10
Chicago O'Hare (ORD) 3
Effective 2026-01-19 through 2026-02-11
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 2484)
Duration: 3:08, non-stop
Boeing 737-800 (738)
Direct Codeshare Flights:
Alaska Airlines AS4123
20:11
Austin (AUS)

21:24
Dallas Fort Worth (DFW)
Effective 2026-06-10 through 2026-07-01
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 3399)
Duration: 1:13, non-stop
Embraer EMB 170 / EMB 175 (E70)
Direct Codeshare Flights:
Alaska Airlines AS4123
20:17
Austin (AUS)

21:25
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 3397)
Duration: 1:08, non-stop
Embraer EMB 170 / EMB 175 (E70)
Direct Codeshare Flights:
Alaska Airlines AS4123
20:29
Austin (AUS)

21:41
Dallas Fort Worth (DFW)
Effective 2026-04-07 through 2026-05-20
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 789)
Duration: 1:12, non-stop
Boeing 737-800 (738)
Direct Codeshare Flights:
Alaska Airlines AS4123
20:37
Austin (AUS)

21:47
Dallas Fort Worth (DFW)
Effective from 2026-10-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 2767)
Duration: 1:10, non-stop
Airbus A320 (320)
Direct Codeshare Flights:
Alaska Airlines AS4123
23:55
Chicago O'Hare (ORD) 3

03:18(+1)
Charleston (CHS)
Operates only on 2026-01-04
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Codeshare flight, operated by American Airlines. (AA 5531)
Duration: 2:23, non-stop
Canadair CRJ 900 (CR9)
The flight arrives 1 day after departure.
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This flight number is listed as serving the following routes:
  • Austin (AUS) - Dallas Fort Worth (DFW)
  • Chicago O'Hare (ORD) - Charleston (CHS)
  • Orlando (MCO) - Chicago O'Hare (ORD)
All Alaska Airlines flights
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