Alaska Airlines flight AS 4423: Multiple routes

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FLIGHT SCHEDULE
Direct Codeshare Flights:
Tue,Sat 05:10 Tulsa (TUL) 07:12 Chicago O'Hare (ORD) 3
AS 4423 Non-stop Embraer EMB 175 (E75) 2:02 Valid until 2025-05-03
Codeshare flight, operated by American Airlines.(AA 4492)
Daily 06:00 Little Rock (LIT) 07:28 Dallas Fort Worth (DFW)
AS 4423 Non-stop Embraer EMB 175 (E75) 1:28 Effective 2025-05-15 through 2025-06-04
Codeshare flight, operated by American Airlines.(AA 3943)
Sat 06:43 Pittsburgh (PIT) 07:34 Chicago O'Hare (ORD) 3
AS 4423 Non-stop Embraer EMB 175 (E75) 1:51 Operates only on 2025-05-10
Codeshare flight, operated by American Airlines.(AA 4390)
Wed-Sun 07:17 Des Moines (DSM) 08:55 Chicago O'Hare (ORD) 3
AS 4423 Non-stop Embraer EMB 175 (E75) 1:38 Effective 2025-10-01 through 2025-10-05
Codeshare flight, operated by American Airlines.(AA 3363)
Daily 08:01 Chicago O'Hare (ORD) 3 11:13 Hartford (BDL)
AS 4423 Non-stop Embraer EMB 175 (E75) 2:12 Effective 2025-08-06 through 2025-09-02
Codeshare flight, operated by American Airlines.(AA 4544)
Daily 08:20 Philadelphia (PHL) 11:10 Tampa (TPA)
AS 4423 Non-stop Airbus A321 (321) 2:50 Effective 2025-12-03 through 2025-12-17
Codeshare flight, operated by American Airlines.(AA 2523)
Sun 08:32 Pittsburgh (PIT) 09:20 Chicago O'Hare (ORD) 3
AS 4423 Non-stop Embraer EMB 175 (E75) 1:48 Operates only on 2025-06-29
Codeshare flight, operated by American Airlines.(AA 4492)
Wed 08:55 Pittsburgh (PIT) 09:43 Chicago O'Hare (ORD) 3
AS 4423 Non-stop Embraer EMB 175 (E75) 1:48 Operates only on 2025-07-02
Codeshare flight, operated by American Airlines.(AA 4492)
Mon 09:00 Pittsburgh (PIT) 09:48 Chicago O'Hare (ORD) 3
AS 4423 Non-stop Embraer EMB 175 (E75) 1:48 Operates only on 2025-06-30
Codeshare flight, operated by American Airlines.(AA 4492)
Fri 09:02 Pittsburgh (PIT) 09:50 Chicago O'Hare (ORD) 3
AS 4423 Non-stop Embraer EMB 175 (E75) 1:48 Effective 2025-06-13 through 2025-06-27
Codeshare flight, operated by American Airlines.(AA 4492)
Daily 09:40 Chicago O'Hare (ORD) 3 11:43 Grand Rapids (GRR)
AS 4423 Non-stop Embraer EMB 175 (E75) 1:03 Effective 2025-11-02 through 2025-12-02
Codeshare flight, operated by American Airlines.(AA 4544)
Mon,Tue,Thu,Sat,Sun 10:20 Huntsville (HSV) 12:29 Chicago O'Hare (ORD) 3
AS 4423 Non-stop Canadair CRJ 700 (CR7) 2:09 Effective 2025-06-05 through 2025-06-17
Codeshare flight, operated by American Airlines.(AA 6241)
Mon-Thu,Sat,Sun 10:20 Huntsville (HSV) 12:29 Chicago O'Hare (ORD) 3
AS 4423 Non-stop Canadair CRJ 700 (CR7) 2:09 Effective 2025-06-18 through 2025-06-28
Codeshare flight, operated by American Airlines.(AA 6241)
Thu 10:20 Huntsville (HSV) 12:29 Chicago O'Hare (ORD) 3
AS 4423 Non-stop Canadair CRJ 700 (CR7) 2:09 Operates only on 2025-07-03
Codeshare flight, operated by American Airlines.(AA 6241)
Daily 10:29 Huntsville (HSV) 12:40 Chicago O'Hare (ORD) 3
AS 4423 Non-stop Canadair CRJ 700 (CR7) 2:11 Effective 2025-07-05 through 2025-08-05
Codeshare flight, operated by American Airlines.(AA 6241)
Daily 11:43 Hartford (BDL) 13:27 Chicago O'Hare (ORD) 3
AS 4423 Non-stop Embraer EMB 175 (E75) 2:44 Effective 2025-08-06 through 2025-09-02
Codeshare flight, operated by American Airlines.(AA 4544)
Daily 12:21 Tampa (TPA) 14:55 Philadelphia (PHL)
AS 4423 Non-stop Airbus A321 (321) 2:34 Effective 2025-12-03 through 2025-12-17
Codeshare flight, operated by American Airlines.(AA 2523)
Daily 12:32 Grand Rapids (GRR) 12:40 Chicago O'Hare (ORD) 3
AS 4423 Non-stop Embraer EMB 175 (E75) 1:08 Effective 2025-11-02 through 2025-12-02
Codeshare flight, operated by American Airlines.(AA 4544)
Daily 12:47 Dayton (DAY) 13:14 Chicago O'Hare (ORD) 3
AS 4423 Non-stop Canadair CRJ 700 (CR7) 1:27 Effective 2025-09-03 through 2025-09-30
Codeshare flight, operated by American Airlines.(AA 5172)
Mon-Wed,Fri 13:27 Chicago O'Hare (ORD) 3 16:23 Syracuse (SYR)
AS 4423 Non-stop Embraer EMB 175 (E75) 1:56 Effective 2025-05-05 through 2025-05-09
Codeshare flight, operated by American Airlines.(AA 3559)
Thu 13:27 Chicago O'Hare (ORD) 3 16:23 Syracuse (SYR)
AS 4423 Non-stop Embraer EMB 170 / EMB 175 (E70) 1:56 Operates only on 2025-05-08
Codeshare flight, operated by American Airlines.(AA 3559)
Fri 15:54 Fayetteville/Springdale (XNA) 17:44 Chicago O'Hare (ORD) 3
AS 4423 Non-stop Airbus A319 (319) 1:50 Operates only on 2025-06-06
Codeshare flight, operated by American Airlines.(AA 2781)
Mon-Wed,Sun 16:08 Orlando (MCO) B 18:13 Chicago O'Hare (ORD) 3
AS 4423 Non-stop Boeing 737-800 (738) 3:05 Effective 2025-05-11 through 2025-05-14
Codeshare flight, operated by American Airlines.(AA 1674)
Mon-Wed,Fri 16:57 Syracuse (SYR) 18:08 Chicago O'Hare (ORD) 3
AS 4423 Non-stop Embraer EMB 175 (E75) 2:11 Effective 2025-05-05 through 2025-05-09
Codeshare flight, operated by American Airlines.(AA 3559)
Thu 16:57 Syracuse (SYR) 18:08 Chicago O'Hare (ORD) 3
AS 4423 Non-stop Embraer EMB 170 / EMB 175 (E70) 2:11 Operates only on 2025-05-08
Codeshare flight, operated by American Airlines.(AA 3559)
Daily 20:20 Chicago O'Hare (ORD) 3 23:34 Richmond (RIC)
AS 4423 Non-stop Embraer EMB 170 / EMB 175 (E70) 2:14 Effective 2025-10-06 through 2025-11-01
Codeshare flight, operated by American Airlines.(AA 3586)
Daily 21:00 Philadelphia (PHL) F 22:29 Portland (PWM)
AS 4423 Non-stop Canadair CRJ 700 (CR7) 1:29 Effective 2025-12-18 through 2026-01-05
Codeshare flight, operated by American Airlines.(AA 5200)
Daily 21:00 Philadelphia (PHL) F 22:29 Portland (PWM)
AS 4423 Non-stop Canadair CRJ 900 (CR9) 1:29 Effective 2026-01-06 through 2026-02-11
Codeshare flight, operated by American Airlines.(AA 5200)
Daily 21:00 Philadelphia (PHL) F 22:32 Portland (PWM)
AS 4423 Non-stop Embraer ERJ 145 (ER4) 1:32 Effective from 2026-02-12
Codeshare flight, operated by American Airlines.(AA 5686)
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This flight number is listed as serving the following routes:


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Alaska Airlines flight AS 4423: Multiple routes
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Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:
Alaska Airlines AS4423
05:10
Tulsa (TUL)

07:12
Chicago O'Hare (ORD) 3
Valid until 2025-05-03
Mon
-
Tue
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by American Airlines. (AA 4492)
Duration: 2:02, non-stop
Embraer EMB 175 (E75)
Alaska Airlines AS4423
06:00
Little Rock (LIT)

07:28
Dallas Fort Worth (DFW)
Effective 2025-05-15 through 2025-06-04
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 3943)
Duration: 1:28, non-stop
Embraer EMB 175 (E75)
Alaska Airlines AS4423
06:43
Pittsburgh (PIT)

07:34
Chicago O'Hare (ORD) 3
Operates only on 2025-05-10
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by American Airlines. (AA 4390)
Duration: 1:51, non-stop
Embraer EMB 175 (E75)
Alaska Airlines AS4423
07:17
Des Moines (DSM)

08:55
Chicago O'Hare (ORD) 3
Effective 2025-10-01 through 2025-10-05
Mon
-
Tue
-
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 3363)
Duration: 1:38, non-stop
Embraer EMB 175 (E75)
Alaska Airlines AS4423
08:01
Chicago O'Hare (ORD) 3

11:13
Hartford (BDL)
Effective 2025-08-06 through 2025-09-02
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 4544)
Duration: 2:12, non-stop
Embraer EMB 175 (E75)
Alaska Airlines AS4423
08:20
Philadelphia (PHL)

11:10
Tampa (TPA)
Effective 2025-12-03 through 2025-12-17
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 2523)
Duration: 2:50, non-stop
Airbus A321 (321)
Alaska Airlines AS4423
08:32
Pittsburgh (PIT)

09:20
Chicago O'Hare (ORD) 3
Operates only on 2025-06-29
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Codeshare flight, operated by American Airlines. (AA 4492)
Duration: 1:48, non-stop
Embraer EMB 175 (E75)
Alaska Airlines AS4423
08:55
Pittsburgh (PIT)

09:43
Chicago O'Hare (ORD) 3
Operates only on 2025-07-02
Mon
-
Tue
-
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by American Airlines. (AA 4492)
Duration: 1:48, non-stop
Embraer EMB 175 (E75)
Alaska Airlines AS4423
09:00
Pittsburgh (PIT)

09:48
Chicago O'Hare (ORD) 3
Operates only on 2025-06-30
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by American Airlines. (AA 4492)
Duration: 1:48, non-stop
Embraer EMB 175 (E75)
Alaska Airlines AS4423
09:02
Pittsburgh (PIT)

09:50
Chicago O'Hare (ORD) 3
Effective 2025-06-13 through 2025-06-27
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Codeshare flight, operated by American Airlines. (AA 4492)
Duration: 1:48, non-stop
Embraer EMB 175 (E75)
Alaska Airlines AS4423
09:40
Chicago O'Hare (ORD) 3

11:43
Grand Rapids (GRR)
Effective 2025-11-02 through 2025-12-02
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 4544)
Duration: 1:03, non-stop
Embraer EMB 175 (E75)
Alaska Airlines AS4423
10:20
Huntsville (HSV)

12:29
Chicago O'Hare (ORD) 3
Effective 2025-06-05 through 2025-06-17
Mon
Tue
Wed
-
Thu
Fri
-
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 6241)
Duration: 2:09, non-stop
Canadair CRJ 700 (CR7)
Alaska Airlines AS4423
10:20
Huntsville (HSV)

12:29
Chicago O'Hare (ORD) 3
Effective 2025-06-18 through 2025-06-28
Mon
Tue
Wed
Thu
Fri
-
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 6241)
Duration: 2:09, non-stop
Canadair CRJ 700 (CR7)
Alaska Airlines AS4423
10:20
Huntsville (HSV)

12:29
Chicago O'Hare (ORD) 3
Operates only on 2025-07-03
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by American Airlines. (AA 6241)
Duration: 2:09, non-stop
Canadair CRJ 700 (CR7)
Alaska Airlines AS4423
10:29
Huntsville (HSV)

12:40
Chicago O'Hare (ORD) 3
Effective 2025-07-05 through 2025-08-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 6241)
Duration: 2:11, non-stop
Canadair CRJ 700 (CR7)
Alaska Airlines AS4423
11:43
Hartford (BDL)

13:27
Chicago O'Hare (ORD) 3
Effective 2025-08-06 through 2025-09-02
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 4544)
Duration: 2:44, non-stop
Embraer EMB 175 (E75)
Alaska Airlines AS4423
12:21
Tampa (TPA)

14:55
Philadelphia (PHL)
Effective 2025-12-03 through 2025-12-17
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 2523)
Duration: 2:34, non-stop
Airbus A321 (321)
Alaska Airlines AS4423
12:32
Grand Rapids (GRR)

12:40
Chicago O'Hare (ORD) 3
Effective 2025-11-02 through 2025-12-02
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 4544)
Duration: 1:08, non-stop
Embraer EMB 175 (E75)
Alaska Airlines AS4423
12:47
Dayton (DAY)

13:14
Chicago O'Hare (ORD) 3
Effective 2025-09-03 through 2025-09-30
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 5172)
Duration: 1:27, non-stop
Canadair CRJ 700 (CR7)
Alaska Airlines AS4423
13:27
Chicago O'Hare (ORD) 3

16:23
Syracuse (SYR)
Effective 2025-05-05 through 2025-05-09
Mon
Tue
Wed
Thu
-
Fri
Sat
-
Sun
-
Codeshare flight, operated by American Airlines. (AA 3559)
Duration: 1:56, non-stop
Embraer EMB 175 (E75)
Alaska Airlines AS4423
13:27
Chicago O'Hare (ORD) 3

16:23
Syracuse (SYR)
Operates only on 2025-05-08
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by American Airlines. (AA 3559)
Duration: 1:56, non-stop
Embraer EMB 170 / EMB 175 (E70)
Alaska Airlines AS4423
15:54
Fayetteville/Springdale (XNA)

17:44
Chicago O'Hare (ORD) 3
Operates only on 2025-06-06
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Codeshare flight, operated by American Airlines. (AA 2781)
Duration: 1:50, non-stop
Airbus A319 (319)
Alaska Airlines AS4423
16:08
Orlando (MCO) B

18:13
Chicago O'Hare (ORD) 3
Effective 2025-05-11 through 2025-05-14
Mon
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
Codeshare flight, operated by American Airlines. (AA 1674)
Duration: 3:05, non-stop
Boeing 737-800 (738)
Alaska Airlines AS4423
16:57
Syracuse (SYR)

18:08
Chicago O'Hare (ORD) 3
Effective 2025-05-05 through 2025-05-09
Mon
Tue
Wed
Thu
-
Fri
Sat
-
Sun
-
Codeshare flight, operated by American Airlines. (AA 3559)
Duration: 2:11, non-stop
Embraer EMB 175 (E75)
Alaska Airlines AS4423
16:57
Syracuse (SYR)

18:08
Chicago O'Hare (ORD) 3
Operates only on 2025-05-08
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by American Airlines. (AA 3559)
Duration: 2:11, non-stop
Embraer EMB 170 / EMB 175 (E70)
Alaska Airlines AS4423
20:20
Chicago O'Hare (ORD) 3

23:34
Richmond (RIC)
Effective 2025-10-06 through 2025-11-01
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 3586)
Duration: 2:14, non-stop
Embraer EMB 170 / EMB 175 (E70)
Alaska Airlines AS4423
21:00
Philadelphia (PHL) F

22:29
Portland (PWM)
Effective 2025-12-18 through 2026-01-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 5200)
Duration: 1:29, non-stop
Canadair CRJ 700 (CR7)
Alaska Airlines AS4423
21:00
Philadelphia (PHL) F

22:29
Portland (PWM)
Effective 2026-01-06 through 2026-02-11
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 5200)
Duration: 1:29, non-stop
Canadair CRJ 900 (CR9)
Alaska Airlines AS4423
21:00
Philadelphia (PHL) F

22:32
Portland (PWM)
Effective from 2026-02-12
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 5686)
Duration: 1:32, non-stop
Embraer ERJ 145 (ER4)
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This flight number is listed as serving the following routes:
  • Chicago O'Hare (ORD) - Grand Rapids (GRR)
  • Chicago O'Hare (ORD) - Richmond (RIC)
  • Chicago O'Hare (ORD) - Syracuse (SYR)
  • Dayton (DAY) - Chicago O'Hare (ORD)
  • Des Moines (DSM) - Chicago O'Hare (ORD)
  • Fayetteville/Springdale (XNA) - Chicago O'Hare (ORD)
  • Hartford (BDL) - Chicago O'Hare (ORD)
  • Huntsville (HSV) - Chicago O'Hare (ORD)
  • Little Rock (LIT) - Dallas Fort Worth (DFW)
  • Orlando (MCO) - Chicago O'Hare (ORD)
  • Philadelphia (PHL) - Portland (PWM)
  • Pittsburgh (PIT) - Chicago O'Hare (ORD)
  • Tampa (TPA) - Philadelphia (PHL)
  • Tulsa (TUL) - Chicago O'Hare (ORD)
All Alaska Airlines flights
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