Alaska Airlines flight AS 4123: Multiple routes

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FLIGHT SCHEDULE
Direct Codeshare Flights:
Sat 05:01 Providence (PVD) 06:47 Ronald Reagan Washington (DCA) 2
AS 4123 Non-stop Canadair CRJ 700 (CR7) 1:46 Effective 2025-07-05 through 2025-07-26
Codeshare flight, operated by American Airlines.(AA 5568)
Sat 05:30 Pittsburgh (PIT) 06:20 Chicago O'Hare (ORD) 3
AS 4123 Non-stop Embraer EMB 175 (E75) 1:50 Operates only on 2025-08-02
Codeshare flight, operated by American Airlines.(AA 4439)
Mon,Sun 05:32 Des Moines (DSM) 06:54 Chicago O'Hare (ORD) 3
AS 4123 Non-stop Airbus A319 (319) 1:22 Effective 2025-06-01 through 2025-06-02
Codeshare flight, operated by American Airlines.(AA 2460)
Sat 06:00 El Paso (ELP) 10:14 Chicago O'Hare (ORD) 3
AS 4123 Non-stop Embraer EMB 175 (E75) 3:14 Effective 2025-08-09 through 2025-08-16
Codeshare flight, operated by American Airlines.(AA 4029)
Fri,Sun 07:45 Chicago O'Hare (ORD) 3 11:03 Charleston (CHS)
AS 4123 Non-stop Airbus A319 (319) 2:18 Effective 2025-05-16 through 2025-05-23
Codeshare flight, operated by American Airlines.(AA 2171)
Fri 07:45 Chicago O'Hare (ORD) 3 11:03 Charleston (CHS)
AS 4123 Non-stop Airbus A319 (319) 2:18 Operates only on 2025-05-30
Codeshare flight, operated by American Airlines.(AA 2171)
Daily 08:00 Chicago O'Hare (ORD) 3 11:20 Charleston (CHS)
AS 4123 Non-stop Embraer EMB 170 / EMB 175 (E70) 2:20 Effective 2025-10-06 through 2025-11-01
Codeshare flight, operated by American Airlines.(AA 4219)
Daily 08:00 Chicago O'Hare (ORD) 3 11:22 Charleston (CHS)
AS 4123 Non-stop Embraer EMB 175 (E75) 2:22 Effective 2025-12-03 through 2025-12-17
Codeshare flight, operated by American Airlines.(AA 4219)
Daily 08:00 Chicago O'Hare (ORD) 3 11:06 Charleston (CHS)
AS 4123 Non-stop Embraer EMB 175 (E75) 2:06 Effective from 2026-02-12
Codeshare flight, operated by American Airlines.(AA 4219)
Mon 10:58 Atlanta (ATL) N 13:00 Ronald Reagan Washington (DCA) 2
AS 4123 Non-stop Canadair CRJ 700 (CR7) 2:02 Operates only on 2025-05-26
Codeshare flight, operated by American Airlines.(AA 5275)
Fri,Sun 11:43 Charleston (CHS) 13:14 Chicago O'Hare (ORD) 3
AS 4123 Non-stop Airbus A319 (319) 2:31 Effective 2025-05-16 through 2025-05-23
Codeshare flight, operated by American Airlines.(AA 2171)
Fri 11:43 Charleston (CHS) 13:14 Chicago O'Hare (ORD) 3
AS 4123 Non-stop Airbus A319 (319) 2:31 Operates only on 2025-05-30
Codeshare flight, operated by American Airlines.(AA 2171)
Mon-Fri 14:45 Dallas Fort Worth (DFW) 16:00 George Bush, Houston (IAH) A
AS 4123 Non-stop Embraer EMB 175 (E75) 1:15 Effective 2025-05-05 through 2025-05-09
Codeshare flight, operated by American Airlines.(AA 4287)
Sat 14:45 Dallas Fort Worth (DFW) 16:00 George Bush, Houston (IAH) A
AS 4123 Non-stop Embraer EMB 175 (E75) 1:15 Effective 2025-05-17 through 2025-05-31
Codeshare flight, operated by American Airlines.(AA 4287)
Mon-Fri 16:30 George Bush, Houston (IAH) A 17:58 Dallas Fort Worth (DFW)
AS 4123 Non-stop Embraer EMB 175 (E75) 1:28 Effective 2025-05-05 through 2025-05-09
Codeshare flight, operated by American Airlines.(AA 4287)
Sat 16:30 George Bush, Houston (IAH) A 17:58 Dallas Fort Worth (DFW)
AS 4123 Non-stop Embraer EMB 175 (E75) 1:28 Effective 2025-05-17 through 2025-05-31
Codeshare flight, operated by American Airlines.(AA 4287)
Tue 16:46 Indianapolis (IND) 17:00 Chicago O'Hare (ORD) 3
AS 4123 Non-stop Embraer EMB 170 / EMB 175 (E70) 1:14 Operates only on 2026-01-06
Codeshare flight, operated by American Airlines.(AA 3711)
Mon-Wed,Sun 17:33 Dallas Fort Worth (DFW) 18:17 El Paso (ELP)
AS 4123 Non-stop Airbus A319 (319) 1:44 Effective 2025-05-11 through 2025-05-14
Codeshare flight, operated by American Airlines.(AA 2263)
Daily 17:42 Orlando (MCO) B 19:45 Chicago O'Hare (ORD) 3
AS 4123 Non-stop Boeing 737-800 (738) 3:03 Effective 2026-01-07 through 2026-02-11
Codeshare flight, operated by American Airlines.(AA 2484)
Sat 18:40 Chicago O'Hare (ORD) 3 21:54 Atlanta (ATL) N
AS 4123 Non-stop Embraer EMB 175 (E75) 2:14 Operates only on 2025-05-10
Codeshare flight, operated by American Airlines.(AA 3955)
Tue 18:40 Chicago O'Hare (ORD) 3 21:54 Atlanta (ATL) N
AS 4123 Non-stop Embraer EMB 175 (E75) 2:14 Effective 2025-05-20 through 2025-06-03
Codeshare flight, operated by American Airlines.(AA 3955)
Sat,Sun 18:56 Philadelphia (PHL) 21:23 Jacksonville (JAX)
AS 4123 Non-stop Airbus A319 (319) 2:27 Effective 2025-05-03 through 2025-05-04
Codeshare flight, operated by American Airlines.(AA 1991)
Mon-Wed,Sun 18:57 El Paso (ELP) 21:48 Dallas Fort Worth (DFW)
AS 4123 Non-stop Airbus A319 (319) 1:51 Effective 2025-05-11 through 2025-05-14
Codeshare flight, operated by American Airlines.(AA 2263)
Sun 19:05 Philadelphia (PHL) 20:29 Providence (PVD)
AS 4123 Non-stop Airbus A319 (319) 1:24 Operates only on 2025-05-25
Codeshare flight, operated by American Airlines.(AA 1123)
Sat 19:08 Dallas Fort Worth (DFW) 22:39 Jacksonville (JAX)
AS 4123 Non-stop Boeing 737-800 (738) 2:31 Operates only on 2025-06-07
Codeshare flight, operated by American Airlines.(AA 2263)
Daily 20:30 Austin (AUS) 21:42 Dallas Fort Worth (DFW)
AS 4123 Non-stop Boeing 737-800 (738) 1:12 Effective 2025-12-18 through 2026-01-05
Codeshare flight, operated by American Airlines.(AA 3277)
Daily 20:35 Austin (AUS) 21:48 Dallas Fort Worth (DFW)
AS 4123 Non-stop Boeing 737-800 (738) 1:13 Effective 2025-11-02 through 2025-12-02
Codeshare flight, operated by American Airlines.(AA 3277)
Mon-Fri,Sun 20:40 Dallas Fort Worth (DFW) 21:55 Fayetteville/Springdale (XNA)
AS 4123 Non-stop Embraer EMB 175 (E75) 1:15 Effective 2025-06-05 through 2025-07-03
Codeshare flight, operated by American Airlines.(AA 4101)
Sat 20:40 Chicago O'Hare (ORD) 3 00:26 Boston Logan (BOS) B
AS 4123 Non-stop Embraer EMB 175 (E75) 2:46 Effective 2025-06-14 through 2025-06-28
Codeshare flight, operated by American Airlines.(AA 4650)
The flight arrives 1 day after departure.
Mon-Fri,Sun 20:40 Dallas Fort Worth (DFW) 22:00 Fayetteville/Springdale (XNA)
AS 4123 Non-stop Embraer EMB 175 (E75) 1:20 Effective 2025-07-06 through 2025-08-05
Codeshare flight, operated by American Airlines.(AA 4101)
Mon-Fri,Sun 20:40 Dallas Fort Worth (DFW) 21:57 Fayetteville/Springdale (XNA)
AS 4123 Non-stop Embraer EMB 175 (E75) 1:17 Effective 2025-08-06 through 2025-08-22
Codeshare flight, operated by American Airlines.(AA 4101)
Daily 20:40 Dallas Fort Worth (DFW) 21:57 Fayetteville/Springdale (XNA)
AS 4123 Non-stop Embraer EMB 175 (E75) 1:17 Effective 2025-08-23 through 2025-09-02
Codeshare flight, operated by American Airlines.(AA 4101)
Daily 20:40 Dallas Fort Worth (DFW) 21:58 Fayetteville/Springdale (XNA)
AS 4123 Non-stop Embraer EMB 175 (E75) 1:18 Effective 2025-09-03 through 2025-10-05
Codeshare flight, operated by American Airlines.(AA 4101)
Wed 22:56 Dallas Fort Worth (DFW) 23:37 Waco (ACT)
AS 4123 Non-stop Embraer EMB 175 (E75) 0:41 Operates only on 2025-06-04
Codeshare flight, operated by American Airlines.(AA 3607)
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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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FLIGHT SCHEDULE
Direct Codeshare Flights:
Alaska Airlines AS4123
05:01
Providence (PVD)

06:47
Ronald Reagan Washington (DCA) 2
Effective 2025-07-05 through 2025-07-26
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by American Airlines. (AA 5568)
Duration: 1:46, non-stop
Canadair CRJ 700 (CR7)
Alaska Airlines AS4123
05:30
Pittsburgh (PIT)

06:20
Chicago O'Hare (ORD) 3
Operates only on 2025-08-02
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by American Airlines. (AA 4439)
Duration: 1:50, non-stop
Embraer EMB 175 (E75)
Alaska Airlines AS4123
05:32
Des Moines (DSM)

06:54
Chicago O'Hare (ORD) 3
Effective 2025-06-01 through 2025-06-02
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Codeshare flight, operated by American Airlines. (AA 2460)
Duration: 1:22, non-stop
Airbus A319 (319)
Alaska Airlines AS4123
06:00
El Paso (ELP)

10:14
Chicago O'Hare (ORD) 3
Effective 2025-08-09 through 2025-08-16
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by American Airlines. (AA 4029)
Duration: 3:14, non-stop
Embraer EMB 175 (E75)
Alaska Airlines AS4123
07:45
Chicago O'Hare (ORD) 3

11:03
Charleston (CHS)
Effective 2025-05-16 through 2025-05-23
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
Codeshare flight, operated by American Airlines. (AA 2171)
Duration: 2:18, non-stop
Airbus A319 (319)
Alaska Airlines AS4123
07:45
Chicago O'Hare (ORD) 3

11:03
Charleston (CHS)
Operates only on 2025-05-30
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Codeshare flight, operated by American Airlines. (AA 2171)
Duration: 2:18, non-stop
Airbus A319 (319)
Alaska Airlines AS4123
08:00
Chicago O'Hare (ORD) 3

11:20
Charleston (CHS)
Effective 2025-10-06 through 2025-11-01
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 4219)
Duration: 2:20, non-stop
Embraer EMB 170 / EMB 175 (E70)
Alaska Airlines AS4123
08:00
Chicago O'Hare (ORD) 3

11:22
Charleston (CHS)
Effective 2025-12-03 through 2025-12-17
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 4219)
Duration: 2:22, non-stop
Embraer EMB 175 (E75)
Alaska Airlines AS4123
08:00
Chicago O'Hare (ORD) 3

11:06
Charleston (CHS)
Effective from 2026-02-12
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 4219)
Duration: 2:06, non-stop
Embraer EMB 175 (E75)
Alaska Airlines AS4123
10:58
Atlanta (ATL) N

13:00
Ronald Reagan Washington (DCA) 2
Operates only on 2025-05-26
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by American Airlines. (AA 5275)
Duration: 2:02, non-stop
Canadair CRJ 700 (CR7)
Alaska Airlines AS4123
11:43
Charleston (CHS)

13:14
Chicago O'Hare (ORD) 3
Effective 2025-05-16 through 2025-05-23
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
Codeshare flight, operated by American Airlines. (AA 2171)
Duration: 2:31, non-stop
Airbus A319 (319)
Alaska Airlines AS4123
11:43
Charleston (CHS)

13:14
Chicago O'Hare (ORD) 3
Operates only on 2025-05-30
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Codeshare flight, operated by American Airlines. (AA 2171)
Duration: 2:31, non-stop
Airbus A319 (319)
Alaska Airlines AS4123
14:45
Dallas Fort Worth (DFW)

16:00
George Bush, Houston (IAH) A
Effective 2025-05-05 through 2025-05-09
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
-
Codeshare flight, operated by American Airlines. (AA 4287)
Duration: 1:15, non-stop
Embraer EMB 175 (E75)
Alaska Airlines AS4123
14:45
Dallas Fort Worth (DFW)

16:00
George Bush, Houston (IAH) A
Effective 2025-05-17 through 2025-05-31
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by American Airlines. (AA 4287)
Duration: 1:15, non-stop
Embraer EMB 175 (E75)
Alaska Airlines AS4123
16:30
George Bush, Houston (IAH) A

17:58
Dallas Fort Worth (DFW)
Effective 2025-05-05 through 2025-05-09
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
-
Codeshare flight, operated by American Airlines. (AA 4287)
Duration: 1:28, non-stop
Embraer EMB 175 (E75)
Alaska Airlines AS4123
16:30
George Bush, Houston (IAH) A

17:58
Dallas Fort Worth (DFW)
Effective 2025-05-17 through 2025-05-31
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by American Airlines. (AA 4287)
Duration: 1:28, non-stop
Embraer EMB 175 (E75)
Alaska Airlines AS4123
16:46
Indianapolis (IND)

17:00
Chicago O'Hare (ORD) 3
Operates only on 2026-01-06
Mon
-
Tue
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by American Airlines. (AA 3711)
Duration: 1:14, non-stop
Embraer EMB 170 / EMB 175 (E70)
Alaska Airlines AS4123
17:33
Dallas Fort Worth (DFW)

18:17
El Paso (ELP)
Effective 2025-05-11 through 2025-05-14
Mon
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
Codeshare flight, operated by American Airlines. (AA 2263)
Duration: 1:44, non-stop
Airbus A319 (319)
Alaska Airlines AS4123
17:42
Orlando (MCO) B

19:45
Chicago O'Hare (ORD) 3
Effective 2026-01-07 through 2026-02-11
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 2484)
Duration: 3:03, non-stop
Boeing 737-800 (738)
Alaska Airlines AS4123
18:40
Chicago O'Hare (ORD) 3

21:54
Atlanta (ATL) N
Operates only on 2025-05-10
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by American Airlines. (AA 3955)
Duration: 2:14, non-stop
Embraer EMB 175 (E75)
Alaska Airlines AS4123
18:40
Chicago O'Hare (ORD) 3

21:54
Atlanta (ATL) N
Effective 2025-05-20 through 2025-06-03
Mon
-
Tue
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by American Airlines. (AA 3955)
Duration: 2:14, non-stop
Embraer EMB 175 (E75)
Alaska Airlines AS4123
18:56
Philadelphia (PHL)

21:23
Jacksonville (JAX)
Effective 2025-05-03 through 2025-05-04
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 1991)
Duration: 2:27, non-stop
Airbus A319 (319)
Alaska Airlines AS4123
18:57
El Paso (ELP)

21:48
Dallas Fort Worth (DFW)
Effective 2025-05-11 through 2025-05-14
Mon
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
Codeshare flight, operated by American Airlines. (AA 2263)
Duration: 1:51, non-stop
Airbus A319 (319)
Alaska Airlines AS4123
19:05
Philadelphia (PHL)

20:29
Providence (PVD)
Operates only on 2025-05-25
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Codeshare flight, operated by American Airlines. (AA 1123)
Duration: 1:24, non-stop
Airbus A319 (319)
Alaska Airlines AS4123
19:08
Dallas Fort Worth (DFW)

22:39
Jacksonville (JAX)
Operates only on 2025-06-07
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by American Airlines. (AA 2263)
Duration: 2:31, non-stop
Boeing 737-800 (738)
Alaska Airlines AS4123
20:30
Austin (AUS)

21:42
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 3277)
Duration: 1:12, non-stop
Boeing 737-800 (738)
Alaska Airlines AS4123
20:35
Austin (AUS)

21:48
Dallas Fort Worth (DFW)
Effective 2025-11-02 through 2025-12-02
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 3277)
Duration: 1:13, non-stop
Boeing 737-800 (738)
Alaska Airlines AS4123
20:40
Dallas Fort Worth (DFW)

21:55
Fayetteville/Springdale (XNA)
Effective 2025-06-05 through 2025-07-03
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Codeshare flight, operated by American Airlines. (AA 4101)
Duration: 1:15, non-stop
Embraer EMB 175 (E75)
Alaska Airlines AS4123
20:40
Chicago O'Hare (ORD) 3

00:26(+1)
Boston Logan (BOS) B
Effective 2025-06-14 through 2025-06-28
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by American Airlines. (AA 4650)
Duration: 2:46, non-stop
Embraer EMB 175 (E75)
The flight arrives 1 day after departure.
Alaska Airlines AS4123
20:40
Dallas Fort Worth (DFW)

22:00
Fayetteville/Springdale (XNA)
Effective 2025-07-06 through 2025-08-05
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Codeshare flight, operated by American Airlines. (AA 4101)
Duration: 1:20, non-stop
Embraer EMB 175 (E75)
Alaska Airlines AS4123
20:40
Dallas Fort Worth (DFW)

21:57
Fayetteville/Springdale (XNA)
Effective 2025-08-06 through 2025-08-22
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Codeshare flight, operated by American Airlines. (AA 4101)
Duration: 1:17, non-stop
Embraer EMB 175 (E75)
Alaska Airlines AS4123
20:40
Dallas Fort Worth (DFW)

21:57
Fayetteville/Springdale (XNA)
Effective 2025-08-23 through 2025-09-02
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 4101)
Duration: 1:17, non-stop
Embraer EMB 175 (E75)
Alaska Airlines AS4123
20:40
Dallas Fort Worth (DFW)

21:58
Fayetteville/Springdale (XNA)
Effective 2025-09-03 through 2025-10-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 4101)
Duration: 1:18, non-stop
Embraer EMB 175 (E75)
Alaska Airlines AS4123
22:56
Dallas Fort Worth (DFW)

23:37
Waco (ACT)
Operates only on 2025-06-04
Mon
-
Tue
-
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by American Airlines. (AA 3607)
Duration: 0:41, non-stop
Embraer EMB 175 (E75)
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This flight number is listed as serving the following routes:
  • Atlanta (ATL) - Ronald Reagan Washington (DCA)
  • Austin (AUS) - Dallas Fort Worth (DFW)
  • Charleston (CHS) - Chicago O'Hare (ORD)
  • Chicago O'Hare (ORD) - Atlanta (ATL)
  • Chicago O'Hare (ORD) - Boston Logan (BOS)
  • Dallas Fort Worth (DFW) - Fayetteville/Springdale (XNA)
  • Dallas Fort Worth (DFW) - Jacksonville (JAX)
  • Dallas Fort Worth (DFW) - Waco (ACT)
  • Des Moines (DSM) - Chicago O'Hare (ORD)
  • El Paso (ELP) - Chicago O'Hare (ORD)
  • El Paso (ELP) - Dallas Fort Worth (DFW)
  • George Bush, Houston (IAH) - Dallas Fort Worth (DFW)
  • Indianapolis (IND) - Chicago O'Hare (ORD)
  • Orlando (MCO) - Chicago O'Hare (ORD)
  • Philadelphia (PHL) - Jacksonville (JAX)
  • Philadelphia (PHL) - Providence (PVD)
  • Pittsburgh (PIT) - Chicago O'Hare (ORD)
  • Providence (PVD) - Ronald Reagan Washington (DCA)
All Alaska Airlines flights
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