Alaska Airlines flight AS 4543: Multiple routes

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FLIGHT SCHEDULE
Direct Codeshare Flights:
Mon-Fri 05:09 Syracuse (SYR) 06:59 Ronald Reagan Washington (DCA) 2
AS 4543 Non-stop Canadair CRJ 900 (CR9) 1:50 Effective 2026-01-07 through 2026-02-11
Codeshare flight, operated by American Airlines.(AA 5202)
Daily 05:30 Syracuse (SYR) 06:59 Ronald Reagan Washington (DCA) 2
AS 4543 Non-stop Canadair CRJ 700 (CR7) 1:29 Effective 2026-07-02 through 2026-08-04
Codeshare flight, operated by American Airlines.(AA 5567)
Daily 06:40 Chicago O'Hare (ORD) 3 08:30 Fayetteville/Springdale (XNA)
AS 4543 Non-stop Embraer EMB 170 / EMB 175 (E70) 1:50 Effective 2026-09-09 through 2026-10-04
Codeshare flight, operated by American Airlines.(AA 3566)
Daily 09:13 Fayetteville/Springdale (XNA) 11:10 Chicago O'Hare (ORD) 3
AS 4543 Non-stop Embraer EMB 170 / EMB 175 (E70) 1:57 Effective 2026-09-09 through 2026-10-04
Codeshare flight, operated by American Airlines.(AA 3566)
Daily 11:49 Syracuse (SYR) 13:14 Ronald Reagan Washington (DCA) 2
AS 4543 Non-stop Canadair CRJ 700 (CR7) 1:25 Effective 2026-08-05 through 2026-09-08
Codeshare flight, operated by American Airlines.(AA 5170)
Daily 11:57 Syracuse (SYR) 13:14 Ronald Reagan Washington (DCA) 2
AS 4543 Non-stop Airbus A319 (319) 1:17 Effective 2026-05-21 through 2026-07-01
Codeshare flight, operated by American Airlines.(AA 2762)
Daily 11:59 Syracuse (SYR) 13:40 Ronald Reagan Washington (DCA) 2
AS 4543 Non-stop Canadair CRJ 700 (CR7) 1:41 Valid until 2026-01-05
Codeshare flight, operated by American Airlines.(AA 5217)
Daily 12:05 Syracuse (SYR) 13:44 Ronald Reagan Washington (DCA) 2
AS 4543 Non-stop Airbus A319 (319) 1:39 Effective 2026-02-13 through 2026-03-07
Codeshare flight, operated by American Airlines.(AA 3163)
Sat 12:13 Syracuse (SYR) 13:39 Ronald Reagan Washington (DCA) 2
AS 4543 Non-stop Airbus A319 (319) 1:26 Effective 2026-03-14 through 2026-04-04
Codeshare flight, operated by American Airlines.(AA 3163)
Thu 12:19 Syracuse (SYR) 13:59 Ronald Reagan Washington (DCA) 2
AS 4543 Non-stop Airbus A319 (319) 1:40 Operates only on 2026-02-12
Codeshare flight, operated by American Airlines.(AA 3163)
Mon-Fri 12:19 Syracuse (SYR) 13:45 Ronald Reagan Washington (DCA) 2
AS 4543 Non-stop Airbus A319 (319) 1:26 Effective 2026-03-09 through 2026-04-06
Codeshare flight, operated by American Airlines.(AA 3163)
Sun 12:25 Syracuse (SYR) 13:51 Ronald Reagan Washington (DCA) 2
AS 4543 Non-stop Airbus A319 (319) 1:26 Effective 2026-03-08 through 2026-04-05
Codeshare flight, operated by American Airlines.(AA 3163)
Daily 16:35 Dallas Fort Worth (DFW) 17:42 Houston George Bush (IAH) A
AS 4543 Non-stop Airbus A321 (321) 1:07 Effective from 2026-10-05
Codeshare flight, operated by American Airlines.(AA 3121)
Daily 20:28 Houston George Bush (IAH) A 21:50 Dallas Fort Worth (DFW)
AS 4543 Non-stop Airbus A321 (321) 1:22 Effective from 2026-10-05
Codeshare flight, operated by American Airlines.(AA 3121)
Daily 21:45 Phoenix Sky Harbor (PHX) 4 22:51 Las Vegas Harry Reid (LAS) 1
AS 4543 Non-stop Boeing 737-800 (738) 1:06 Effective 2026-04-07 through 2026-05-20
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
05:09
Syracuse (SYR)

06:59
Ronald Reagan Washington (DCA) 2
Effective 2026-01-07 through 2026-02-11
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
-
Codeshare flight, operated by American Airlines. (AA 5202)
Duration: 1:50, non-stop
Canadair CRJ 900 (CR9)
Direct Codeshare Flights:
Alaska Airlines AS4543
05:30
Syracuse (SYR)

06:59
Ronald Reagan Washington (DCA) 2
Effective 2026-07-02 through 2026-08-04
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 5567)
Duration: 1:29, non-stop
Canadair CRJ 700 (CR7)
Direct Codeshare Flights:
Alaska Airlines AS4543
06:40
Chicago O'Hare (ORD) 3

08:30
Fayetteville/Springdale (XNA)
Effective 2026-09-09 through 2026-10-04
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 3566)
Duration: 1:50, non-stop
Embraer EMB 170 / EMB 175 (E70)
Direct Codeshare Flights:
Alaska Airlines AS4543
09:13
Fayetteville/Springdale (XNA)

11:10
Chicago O'Hare (ORD) 3
Effective 2026-09-09 through 2026-10-04
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 3566)
Duration: 1:57, non-stop
Embraer EMB 170 / EMB 175 (E70)
Direct Codeshare Flights:
Alaska Airlines AS4543
11:49
Syracuse (SYR)

13:14
Ronald Reagan Washington (DCA) 2
Effective 2026-08-05 through 2026-09-08
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 5170)
Duration: 1:25, non-stop
Canadair CRJ 700 (CR7)
Direct Codeshare Flights:
Alaska Airlines AS4543
11:57
Syracuse (SYR)

13:14
Ronald Reagan Washington (DCA) 2
Effective 2026-05-21 through 2026-07-01
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 2762)
Duration: 1:17, non-stop
Airbus A319 (319)
Direct Codeshare Flights:
Alaska Airlines AS4543
11:59
Syracuse (SYR)

13:40
Ronald Reagan Washington (DCA) 2
Valid until 2026-01-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 5217)
Duration: 1:41, non-stop
Canadair CRJ 700 (CR7)
Direct Codeshare Flights:
Alaska Airlines AS4543
12:05
Syracuse (SYR)

13:44
Ronald Reagan Washington (DCA) 2
Effective 2026-02-13 through 2026-03-07
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 3163)
Duration: 1:39, non-stop
Airbus A319 (319)
Direct Codeshare Flights:
Alaska Airlines AS4543
12:13
Syracuse (SYR)

13:39
Ronald Reagan Washington (DCA) 2
Effective 2026-03-14 through 2026-04-04
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by American Airlines. (AA 3163)
Duration: 1:26, non-stop
Airbus A319 (319)
Direct Codeshare Flights:
Alaska Airlines AS4543
12:19
Syracuse (SYR)

13:59
Ronald Reagan Washington (DCA) 2
Operates only on 2026-02-12
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by American Airlines. (AA 3163)
Duration: 1:40, non-stop
Airbus A319 (319)
Direct Codeshare Flights:
Alaska Airlines AS4543
12:19
Syracuse (SYR)

13:45
Ronald Reagan Washington (DCA) 2
Effective 2026-03-09 through 2026-04-06
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
-
Codeshare flight, operated by American Airlines. (AA 3163)
Duration: 1:26, non-stop
Airbus A319 (319)
Direct Codeshare Flights:
Alaska Airlines AS4543
12:25
Syracuse (SYR)

13:51
Ronald Reagan Washington (DCA) 2
Effective 2026-03-08 through 2026-04-05
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Codeshare flight, operated by American Airlines. (AA 3163)
Duration: 1:26, non-stop
Airbus A319 (319)
Direct Codeshare Flights:
Alaska Airlines AS4543
16:35
Dallas Fort Worth (DFW)

17:42
Houston George Bush (IAH) A
Effective from 2026-10-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 3121)
Duration: 1:07, non-stop
Airbus A321 (321)
Direct Codeshare Flights:
Alaska Airlines AS4543
20:28
Houston George Bush (IAH) A

21:50
Dallas Fort Worth (DFW)
Effective from 2026-10-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 3121)
Duration: 1:22, non-stop
Airbus A321 (321)
Direct Codeshare Flights:
Alaska Airlines AS4543
21:45
Phoenix Sky Harbor (PHX) 4

22:51
Las Vegas Harry Reid (LAS) 1
Effective 2026-04-07 through 2026-05-20
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 1635)
Duration: 1:06, non-stop
Boeing 737-800 (738)
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This flight number is listed as serving the following routes:
  • Dallas Fort Worth (DFW) - Houston George Bush (IAH)
  • Fayetteville/Springdale (XNA) - Chicago O'Hare (ORD)
  • Phoenix Sky Harbor (PHX) - Las Vegas Harry Reid (LAS)
  • Syracuse (SYR) - Ronald Reagan Washington (DCA)
All Alaska Airlines flights
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