Alaska Airlines flight AS 4203: Multiple routes

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Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:
Mon 05:00 Chicago O'Hare (ORD) 3 08:02 Charlotte (CLT)
AS 4203 Non-stop Airbus A321 (321) 2:02 Operates only on 2025-05-05
Codeshare flight, operated by American Airlines.(AA 2842)
Daily 05:00 Chicago O'Hare (ORD) 3 08:07 Charlotte (CLT)
AS 4203 Non-stop Boeing 737 MAX 8 (7M8) 2:07 Effective 2025-05-06 through 2025-06-04
Codeshare flight, operated by American Airlines.(AA 2842)
Daily 05:10 Chicago O'Hare (ORD) 3 08:16 Charlotte (CLT)
AS 4203 Non-stop Boeing 737 MAX 8 (7M8) 2:06 Valid until 2025-05-04
Codeshare flight, operated by American Airlines.(AA 2842)
Daily 05:15 Chicago O'Hare (ORD) 3 08:17 Charlotte (CLT)
AS 4203 Non-stop Airbus A321 (321) 2:02 Effective 2025-08-06 through 2025-10-25
Codeshare flight, operated by American Airlines.(AA 2842)
Daily 09:15 Los Angeles (LAX) 14:17 Austin (AUS)
AS 4203 Non-stop Airbus A319 (319) 3:02 Effective 2025-10-26 through 2025-11-01
Codeshare flight, operated by American Airlines.(AA 2710)
Wed-Fri 09:40 Chicago O'Hare (ORD) 3 12:38 Harrisburg (MDT)
AS 4203 Non-stop Embraer EMB 170 / EMB 175 (E70) 1:58 Effective 2025-12-03 through 2025-12-05
Codeshare flight, operated by American Airlines.(AA 3374)
Sat 09:40 Chicago O'Hare (ORD) 3 12:38 Harrisburg (MDT)
AS 4203 Non-stop Embraer EMB 170 / EMB 175 (E70) 1:58 Operates only on 2025-12-13
Codeshare flight, operated by American Airlines.(AA 3374)
Wed-Fri 10:59 Charleston (CHS) 12:38 Ronald Reagan Washington (DCA) 2
AS 4203 Non-stop Embraer EMB 175 (E75) 1:39 Effective 2025-07-09 through 2025-07-11
Codeshare flight, operated by American Airlines.(AA 4569)
Sat 12:38 Traverse City (TVC) 12:59 Chicago O'Hare (ORD) 3
AS 4203 Non-stop Embraer EMB 175 (E75) 1:21 Effective 2025-07-05 through 2025-08-02
Codeshare flight, operated by American Airlines.(AA 3660)
Daily 13:00 Austin (AUS) 14:32 Los Angeles (LAX)
AS 4203 Non-stop Boeing 737-800 (738) 3:32 Effective 2026-01-06 through 2026-02-11
Codeshare flight, operated by American Airlines.(AA 2710)
Daily 14:15 Austin (AUS) 15:44 Los Angeles (LAX)
AS 4203 Non-stop Boeing 737-800 (738) 3:29 Effective 2025-12-18 through 2026-01-05
Codeshare flight, operated by American Airlines.(AA 2710)
Daily 14:21 Austin (AUS) 15:48 Los Angeles (LAX)
AS 4203 Non-stop Boeing 737-800 (738) 3:27 Effective 2025-11-02 through 2025-12-02
Codeshare flight, operated by American Airlines.(AA 2710)
Daily 14:35 Cyril E. King, Saint Thomas Island (STT) 17:55 Philadelphia (PHL)
AS 4203 Non-stop Airbus A319 (319) 4:20 Effective from 2026-02-12
Codeshare flight, operated by American Airlines.(AA 2213)
Daily 15:02 Austin (AUS) 16:19 Los Angeles (LAX)
AS 4203 Non-stop Airbus A319 (319) 3:17 Effective 2025-10-26 through 2025-11-01
Codeshare flight, operated by American Airlines.(AA 2710)
Daily 18:25 Chicago O'Hare (ORD) 3 21:40 Charlotte (CLT)
AS 4203 Non-stop Boeing 737-800 (738) 2:15 Effective 2025-06-05 through 2025-07-03
Codeshare flight, operated by American Airlines.(AA 689)
Mon,Sun 18:25 Chicago O'Hare (ORD) 3 21:48 Charlotte (CLT)
AS 4203 Non-stop Boeing 737-800 (738) 2:23 Effective 2025-07-06 through 2025-07-21
Codeshare flight, operated by American Airlines.(AA 689)
Mon,Tue,Sun 18:25 Chicago O'Hare (ORD) 3 21:48 Charlotte (CLT)
AS 4203 Non-stop Boeing 737-800 (738) 2:23 Effective 2025-07-22 through 2025-08-05
Codeshare flight, operated by American Airlines.(AA 689)
Mon-Wed,Sun 18:50 Dallas Fort Worth (DFW) 20:24 McAllen/Mission (MFE)
AS 4203 Non-stop Airbus A319 (319) 1:34 Effective 2025-12-14 through 2025-12-17
Codeshare flight, operated by American Airlines.(AA 1721)
Daily 21:15 Miami (MIA) 23:51 Dallas Fort Worth (DFW)
AS 4203 Non-stop Boeing 737-800 (738) 3:36 Effective 2025-12-06 through 2025-12-12
Codeshare flight, operated by American Airlines.(AA 1608)
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This flight number is listed as serving the following routes:


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Alaska Airlines flight AS 4203: Multiple routes
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Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:
Alaska Airlines AS4203
05:00
Chicago O'Hare (ORD) 3

08:02
Charlotte (CLT)
Operates only on 2025-05-05
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by American Airlines. (AA 2842)
Duration: 2:02, non-stop
Airbus A321 (321)
Alaska Airlines AS4203
05:00
Chicago O'Hare (ORD) 3

08:07
Charlotte (CLT)
Effective 2025-05-06 through 2025-06-04
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 2842)
Duration: 2:07, non-stop
Boeing 737 MAX 8 (7M8)
Alaska Airlines AS4203
05:10
Chicago O'Hare (ORD) 3

08:16
Charlotte (CLT)
Valid until 2025-05-04
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 2842)
Duration: 2:06, non-stop
Boeing 737 MAX 8 (7M8)
Alaska Airlines AS4203
05:15
Chicago O'Hare (ORD) 3

08:17
Charlotte (CLT)
Effective 2025-08-06 through 2025-10-25
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 2842)
Duration: 2:02, non-stop
Airbus A321 (321)
Alaska Airlines AS4203
09:15
Los Angeles (LAX)

14:17
Austin (AUS)
Effective 2025-10-26 through 2025-11-01
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 2710)
Duration: 3:02, non-stop
Airbus A319 (319)
Alaska Airlines AS4203
09:40
Chicago O'Hare (ORD) 3

12:38
Harrisburg (MDT)
Effective 2025-12-03 through 2025-12-05
Mon
-
Tue
-
Wed
Thu
Fri
Sat
-
Sun
-
Codeshare flight, operated by American Airlines. (AA 3374)
Duration: 1:58, non-stop
Embraer EMB 170 / EMB 175 (E70)
Alaska Airlines AS4203
09:40
Chicago O'Hare (ORD) 3

12:38
Harrisburg (MDT)
Operates only on 2025-12-13
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by American Airlines. (AA 3374)
Duration: 1:58, non-stop
Embraer EMB 170 / EMB 175 (E70)
Alaska Airlines AS4203
10:59
Charleston (CHS)

12:38
Ronald Reagan Washington (DCA) 2
Effective 2025-07-09 through 2025-07-11
Mon
-
Tue
-
Wed
Thu
Fri
Sat
-
Sun
-
Codeshare flight, operated by American Airlines. (AA 4569)
Duration: 1:39, non-stop
Embraer EMB 175 (E75)
Alaska Airlines AS4203
12:38
Traverse City (TVC)

12:59
Chicago O'Hare (ORD) 3
Effective 2025-07-05 through 2025-08-02
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by American Airlines. (AA 3660)
Duration: 1:21, non-stop
Embraer EMB 175 (E75)
Alaska Airlines AS4203
13:00
Austin (AUS)

14:32
Los Angeles (LAX)
Effective 2026-01-06 through 2026-02-11
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 2710)
Duration: 3:32, non-stop
Boeing 737-800 (738)
Alaska Airlines AS4203
14:15
Austin (AUS)

15:44
Los Angeles (LAX)
Effective 2025-12-18 through 2026-01-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 2710)
Duration: 3:29, non-stop
Boeing 737-800 (738)
Alaska Airlines AS4203
14:21
Austin (AUS)

15:48
Los Angeles (LAX)
Effective 2025-11-02 through 2025-12-02
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 2710)
Duration: 3:27, non-stop
Boeing 737-800 (738)
Alaska Airlines AS4203
14:35
Cyril E. King, Saint Thomas Island (STT)

17:55
Philadelphia (PHL)
Effective from 2026-02-12
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 2213)
Duration: 4:20, non-stop
Airbus A319 (319)
Alaska Airlines AS4203
15:02
Austin (AUS)

16:19
Los Angeles (LAX)
Effective 2025-10-26 through 2025-11-01
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 2710)
Duration: 3:17, non-stop
Airbus A319 (319)
Alaska Airlines AS4203
18:25
Chicago O'Hare (ORD) 3

21:40
Charlotte (CLT)
Effective 2025-06-05 through 2025-07-03
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 689)
Duration: 2:15, non-stop
Boeing 737-800 (738)
Alaska Airlines AS4203
18:25
Chicago O'Hare (ORD) 3

21:48
Charlotte (CLT)
Effective 2025-07-06 through 2025-07-21
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Codeshare flight, operated by American Airlines. (AA 689)
Duration: 2:23, non-stop
Boeing 737-800 (738)
Alaska Airlines AS4203
18:25
Chicago O'Hare (ORD) 3

21:48
Charlotte (CLT)
Effective 2025-07-22 through 2025-08-05
Mon
Tue
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Codeshare flight, operated by American Airlines. (AA 689)
Duration: 2:23, non-stop
Boeing 737-800 (738)
Alaska Airlines AS4203
18:50
Dallas Fort Worth (DFW)

20:24
McAllen/Mission (MFE)
Effective 2025-12-14 through 2025-12-17
Mon
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
Codeshare flight, operated by American Airlines. (AA 1721)
Duration: 1:34, non-stop
Airbus A319 (319)
Alaska Airlines AS4203
21:15
Miami (MIA)

23:51
Dallas Fort Worth (DFW)
Effective 2025-12-06 through 2025-12-12
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 1608)
Duration: 3:36, non-stop
Boeing 737-800 (738)
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This flight number is listed as serving the following routes:
  • Austin (AUS) - Los Angeles (LAX)
  • Charleston (CHS) - Ronald Reagan Washington (DCA)
  • Chicago O'Hare (ORD) - Charlotte (CLT)
  • Chicago O'Hare (ORD) - Harrisburg (MDT)
  • Cyril E. King, Saint Thomas Island (STT) - Philadelphia (PHL)
  • Dallas Fort Worth (DFW) - McAllen/Mission (MFE)
  • Miami (MIA) - Dallas Fort Worth (DFW)
  • Traverse City (TVC) - Chicago O'Hare (ORD)
All Alaska Airlines flights
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