Alaska Airlines flight AS 4543: Multiple routes

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FLIGHT SCHEDULE
Direct Codeshare Flights:
Daily 05:21 Syracuse (SYR) 06:59 Ronald Reagan Washington (DCA) 2
AS 4543 Non-stop Canadair CRJ 700 (CR7) 1:38 Effective 2025-12-03 through 2025-12-17
Codeshare flight, operated by American Airlines.(AA 5202)
Daily 05:21 Syracuse (SYR) 06:59 Ronald Reagan Washington (DCA) 2
AS 4543 Non-stop Canadair CRJ 700 (CR7) 1:38 Effective 2026-01-06 through 2026-02-11
Codeshare flight, operated by American Airlines.(AA 5202)
Daily 05:25 Syracuse (SYR) 06:59 Ronald Reagan Washington (DCA) 2
AS 4543 Non-stop Canadair CRJ 900 (CR9) 1:34 Effective 2025-11-02 through 2025-12-02
Codeshare flight, operated by American Airlines.(AA 5202)
Daily 05:26 Syracuse (SYR) 06:59 Ronald Reagan Washington (DCA) 2
AS 4543 Non-stop Canadair CRJ 700 (CR7) 1:33 Effective from 2026-02-12
Codeshare flight, operated by American Airlines.(AA 5202)
Sun 08:09 Chicago O'Hare (ORD) 3 10:11 Tulsa (TUL)
AS 4543 Non-stop Canadair CRJ 700 (CR7) 2:02 Effective 2025-05-11 through 2025-05-18
Codeshare flight, operated by American Airlines.(AA 6388)
Sun 08:09 Chicago O'Hare (ORD) 3 10:11 Tulsa (TUL)
AS 4543 Non-stop Canadair CRJ 700 (CR7) 2:02 Operates only on 2025-06-01
Codeshare flight, operated by American Airlines.(AA 6388)
Sat 08:10 Chicago O'Hare (ORD) 3 10:12 Tulsa (TUL)
AS 4543 Non-stop Canadair CRJ 700 (CR7) 2:02 Operates only on 2025-05-31
Codeshare flight, operated by American Airlines.(AA 6388)
Mon 08:20 Philadelphia (PHL) 10:22 Indianapolis (IND)
AS 4543 Non-stop Airbus A319 (319) 2:02 Operates only on 2025-05-26
Codeshare flight, operated by American Airlines.(AA 2959)
Mon-Sat 09:55 Chicago O'Hare (ORD) 3 12:49 George Bush, Houston (IAH) A
AS 4543 Non-stop Airbus A319 (319) 2:54 Effective 2025-05-05 through 2025-05-15
Codeshare flight, operated by American Airlines.(AA 2337)
Daily 10:50 Traverse City (TVC) 11:10 Chicago O'Hare (ORD) 3
AS 4543 Non-stop Embraer EMB 170 / EMB 175 (E70) 1:20 Effective 2025-10-26 through 2025-11-01
Codeshare flight, operated by American Airlines.(AA 3566)
Daily 12:04 Syracuse (SYR) 13:52 Ronald Reagan Washington (DCA) 2
AS 4543 Non-stop Canadair CRJ 700 (CR7) 1:48 Effective 2025-12-18 through 2026-01-05
Codeshare flight, operated by American Airlines.(AA 5103)
Sat 12:06 Syracuse (SYR) 13:29 Ronald Reagan Washington (DCA) 2
AS 4543 Non-stop Embraer EMB 175 (E75) 1:23 Effective 2025-05-17 through 2025-05-24
Codeshare flight, operated by American Airlines.(AA 4744)
Mon 15:30 Chicago O'Hare (ORD) 3 17:21 Fayetteville/Springdale (XNA)
AS 4543 Non-stop Boeing 737-800 (738) 1:51 Operates only on 2025-06-02
Codeshare flight, operated by American Airlines.(AA 2959)
Tue 15:55 Chicago O'Hare (ORD) 3 17:46 Fayetteville/Springdale (XNA)
AS 4543 Non-stop Boeing 737-800 (738) 1:51 Operates only on 2025-06-03
Codeshare flight, operated by American Airlines.(AA 2959)
Sat 17:18 Dallas Fort Worth (DFW) 18:27 George Bush, Houston (IAH) A
AS 4543 Non-stop Airbus A321 (321) 1:09 Effective 2025-07-05 through 2025-08-02
Codeshare flight, operated by American Airlines.(AA 1635)
Mon-Fri,Sun 17:19 Dallas Fort Worth (DFW) 18:28 George Bush, Houston (IAH) A
AS 4543 Non-stop Airbus A321 (321) 1:09 Effective 2025-07-06 through 2025-08-05
Codeshare flight, operated by American Airlines.(AA 1635)
Mon-Fri,Sun 17:25 Dallas Fort Worth (DFW) 18:33 George Bush, Houston (IAH) A
AS 4543 Non-stop Airbus A321 (321) 1:08 Effective 2025-06-05 through 2025-06-30
Codeshare flight, operated by American Airlines.(AA 1635)
Tue,Fri 17:25 Dallas Fort Worth (DFW) 18:33 George Bush, Houston (IAH) A
AS 4543 Non-stop Boeing 737-800 (738) 1:08 Effective 2025-07-01 through 2025-07-04
Codeshare flight, operated by American Airlines.(AA 1635)
Wed,Thu 17:25 Dallas Fort Worth (DFW) 18:33 George Bush, Houston (IAH) A
AS 4543 Non-stop Airbus A321 (321) 1:08 Effective 2025-07-02 through 2025-07-03
Codeshare flight, operated by American Airlines.(AA 1635)
Daily 17:35 Dallas Fort Worth (DFW) 18:44 George Bush, Houston (IAH) A
AS 4543 Non-stop Airbus A319 (319) 1:09 Effective 2025-08-06 through 2025-09-02
Codeshare flight, operated by American Airlines.(AA 1635)
Daily 17:40 Dallas Fort Worth (DFW) 18:49 George Bush, Houston (IAH) A
AS 4543 Non-stop Airbus A319 (319) 1:09 Effective 2025-10-06 through 2025-10-25
Codeshare flight, operated by American Airlines.(AA 1635)
Sat 17:44 Dallas Fort Worth (DFW) 18:47 George Bush, Houston (IAH) A
AS 4543 Non-stop Airbus A321 (321) 1:03 Effective 2025-06-07 through 2025-06-28
Codeshare flight, operated by American Airlines.(AA 1635)
Daily 17:45 Dallas Fort Worth (DFW) 18:55 George Bush, Houston (IAH) A
AS 4543 Non-stop Airbus A319 (319) 1:10 Effective 2025-09-03 through 2025-10-05
Codeshare flight, operated by American Airlines.(AA 1635)
Daily 21:30 Phoenix Sky Harbor (PHX) 4 22:38 Las Vegas Harry Reid (LAS) 1
AS 4543 Non-stop Boeing 737-800 (738) 1:08 Valid until 2025-05-04
Codeshare flight, operated by American Airlines.(AA 1635)
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This flight number is listed as serving the following routes:


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Alaska Airlines flight AS 4543: Multiple routes
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Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:
Alaska Airlines AS4543
05:21
Syracuse (SYR)

06:59
Ronald Reagan Washington (DCA) 2
Effective 2025-12-03 through 2025-12-17
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 5202)
Duration: 1:38, non-stop
Canadair CRJ 700 (CR7)
Alaska Airlines AS4543
05:21
Syracuse (SYR)

06:59
Ronald Reagan Washington (DCA) 2
Effective 2026-01-06 through 2026-02-11
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 5202)
Duration: 1:38, non-stop
Canadair CRJ 700 (CR7)
Alaska Airlines AS4543
05:25
Syracuse (SYR)

06:59
Ronald Reagan Washington (DCA) 2
Effective 2025-11-02 through 2025-12-02
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 5202)
Duration: 1:34, non-stop
Canadair CRJ 900 (CR9)
Alaska Airlines AS4543
05:26
Syracuse (SYR)

06:59
Ronald Reagan Washington (DCA) 2
Effective from 2026-02-12
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 5202)
Duration: 1:33, non-stop
Canadair CRJ 700 (CR7)
Alaska Airlines AS4543
08:09
Chicago O'Hare (ORD) 3

10:11
Tulsa (TUL)
Effective 2025-05-11 through 2025-05-18
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Codeshare flight, operated by American Airlines. (AA 6388)
Duration: 2:02, non-stop
Canadair CRJ 700 (CR7)
Alaska Airlines AS4543
08:09
Chicago O'Hare (ORD) 3

10:11
Tulsa (TUL)
Operates only on 2025-06-01
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Codeshare flight, operated by American Airlines. (AA 6388)
Duration: 2:02, non-stop
Canadair CRJ 700 (CR7)
Alaska Airlines AS4543
08:10
Chicago O'Hare (ORD) 3

10:12
Tulsa (TUL)
Operates only on 2025-05-31
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by American Airlines. (AA 6388)
Duration: 2:02, non-stop
Canadair CRJ 700 (CR7)
Alaska Airlines AS4543
08:20
Philadelphia (PHL)

10:22
Indianapolis (IND)
Operates only on 2025-05-26
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by American Airlines. (AA 2959)
Duration: 2:02, non-stop
Airbus A319 (319)
Alaska Airlines AS4543
09:55
Chicago O'Hare (ORD) 3

12:49
George Bush, Houston (IAH) A
Effective 2025-05-05 through 2025-05-15
Mon
Tue
Wed
Thu
Fri
Sat
Sun
-
Codeshare flight, operated by American Airlines. (AA 2337)
Duration: 2:54, non-stop
Airbus A319 (319)
Alaska Airlines AS4543
10:50
Traverse City (TVC)

11:10
Chicago O'Hare (ORD) 3
Effective 2025-10-26 through 2025-11-01
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 3566)
Duration: 1:20, non-stop
Embraer EMB 170 / EMB 175 (E70)
Alaska Airlines AS4543
12:04
Syracuse (SYR)

13:52
Ronald Reagan Washington (DCA) 2
Effective 2025-12-18 through 2026-01-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 5103)
Duration: 1:48, non-stop
Canadair CRJ 700 (CR7)
Alaska Airlines AS4543
12:06
Syracuse (SYR)

13:29
Ronald Reagan Washington (DCA) 2
Effective 2025-05-17 through 2025-05-24
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by American Airlines. (AA 4744)
Duration: 1:23, non-stop
Embraer EMB 175 (E75)
Alaska Airlines AS4543
15:30
Chicago O'Hare (ORD) 3

17:21
Fayetteville/Springdale (XNA)
Operates only on 2025-06-02
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by American Airlines. (AA 2959)
Duration: 1:51, non-stop
Boeing 737-800 (738)
Alaska Airlines AS4543
15:55
Chicago O'Hare (ORD) 3

17:46
Fayetteville/Springdale (XNA)
Operates only on 2025-06-03
Mon
-
Tue
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by American Airlines. (AA 2959)
Duration: 1:51, non-stop
Boeing 737-800 (738)
Alaska Airlines AS4543
17:18
Dallas Fort Worth (DFW)

18:27
George Bush, Houston (IAH) A
Effective 2025-07-05 through 2025-08-02
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by American Airlines. (AA 1635)
Duration: 1:09, non-stop
Airbus A321 (321)
Alaska Airlines AS4543
17:19
Dallas Fort Worth (DFW)

18:28
George Bush, Houston (IAH) A
Effective 2025-07-06 through 2025-08-05
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Codeshare flight, operated by American Airlines. (AA 1635)
Duration: 1:09, non-stop
Airbus A321 (321)
Alaska Airlines AS4543
17:25
Dallas Fort Worth (DFW)

18:33
George Bush, Houston (IAH) A
Effective 2025-06-05 through 2025-06-30
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Codeshare flight, operated by American Airlines. (AA 1635)
Duration: 1:08, non-stop
Airbus A321 (321)
Alaska Airlines AS4543
17:25
Dallas Fort Worth (DFW)

18:33
George Bush, Houston (IAH) A
Effective 2025-07-01 through 2025-07-04
Mon
-
Tue
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Codeshare flight, operated by American Airlines. (AA 1635)
Duration: 1:08, non-stop
Boeing 737-800 (738)
Alaska Airlines AS4543
17:25
Dallas Fort Worth (DFW)

18:33
George Bush, Houston (IAH) A
Effective 2025-07-02 through 2025-07-03
Mon
-
Tue
-
Wed
Thu
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by American Airlines. (AA 1635)
Duration: 1:08, non-stop
Airbus A321 (321)
Alaska Airlines AS4543
17:35
Dallas Fort Worth (DFW)

18:44
George Bush, Houston (IAH) A
Effective 2025-08-06 through 2025-09-02
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 1635)
Duration: 1:09, non-stop
Airbus A319 (319)
Alaska Airlines AS4543
17:40
Dallas Fort Worth (DFW)

18:49
George Bush, Houston (IAH) A
Effective 2025-10-06 through 2025-10-25
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 1635)
Duration: 1:09, non-stop
Airbus A319 (319)
Alaska Airlines AS4543
17:44
Dallas Fort Worth (DFW)

18:47
George Bush, Houston (IAH) A
Effective 2025-06-07 through 2025-06-28
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by American Airlines. (AA 1635)
Duration: 1:03, non-stop
Airbus A321 (321)
Alaska Airlines AS4543
17:45
Dallas Fort Worth (DFW)

18:55
George Bush, Houston (IAH) A
Effective 2025-09-03 through 2025-10-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 1635)
Duration: 1:10, non-stop
Airbus A319 (319)
Alaska Airlines AS4543
21:30
Phoenix Sky Harbor (PHX) 4

22:38
Las Vegas Harry Reid (LAS) 1
Valid until 2025-05-04
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 1635)
Duration: 1:08, non-stop
Boeing 737-800 (738)
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This flight number is listed as serving the following routes:
  • Chicago O'Hare (ORD) - Fayetteville/Springdale (XNA)
  • Chicago O'Hare (ORD) - George Bush, Houston (IAH)
  • Chicago O'Hare (ORD) - Tulsa (TUL)
  • Dallas Fort Worth (DFW) - George Bush, Houston (IAH)
  • Philadelphia (PHL) - Indianapolis (IND)
  • Phoenix Sky Harbor (PHX) - Las Vegas Harry Reid (LAS)
  • Syracuse (SYR) - Ronald Reagan Washington (DCA)
  • Traverse City (TVC) - Chicago O'Hare (ORD)
All Alaska Airlines flights
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