Alaska Airlines flight AS 4303: Multiple routes

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FLIGHT SCHEDULE
Direct Codeshare Flights:
Daily 09:35 Miami (MIA) 12:05 Chicago O'Hare (ORD) 3
AS 4303 Non-stop Boeing 737-800 (738) 3:30 Effective 2026-03-08 through 2026-04-06
Codeshare flight, operated by American Airlines.(AA 3024)
Daily 13:10 Chicago O'Hare (ORD) 3 14:51 Kansas City (MCI)
AS 4303 Non-stop Embraer EMB 170 / EMB 175 (E70) 1:41 Effective 2026-04-07 through 2026-05-20
Codeshare flight, operated by American Airlines.(AA 3734)
Daily 16:21 Kansas City (MCI) 18:00 Chicago O'Hare (ORD) 3
AS 4303 Non-stop Embraer EMB 170 / EMB 175 (E70) 1:39 Effective 2026-04-07 through 2026-05-20
Codeshare flight, operated by American Airlines.(AA 3734)
Daily 18:35 Philadelphia (PHL) 20:37 Charleston (CHS)
AS 4303 Non-stop Airbus A319 (319) 2:02 Effective 2026-05-21 through 2026-07-01
Codeshare flight, operated by American Airlines.(AA 2447)
Daily 18:35 Philadelphia (PHL) 20:49 Charleston (CHS)
AS 4303 Non-stop Airbus A319 (319) 2:14 Effective 2026-07-02 through 2026-08-04
Codeshare flight, operated by American Airlines.(AA 2447)
Daily 18:35 Philadelphia (PHL) 20:44 Charleston (CHS)
AS 4303 Non-stop Airbus A319 (319) 2:09 Effective 2026-09-09 through 2026-10-04
Codeshare flight, operated by American Airlines.(AA 1059)
Daily 18:35 Philadelphia (PHL) 20:39 Charleston (CHS)
AS 4303 Non-stop Airbus A319 (319) 2:04 Effective from 2026-10-05
Codeshare flight, operated by American Airlines.(AA 2447)
Daily 19:19 Philadelphia (PHL) 21:29 Charleston (CHS)
AS 4303 Non-stop Airbus A319 (319) 2:10 Effective 2026-08-05 through 2026-09-08
Codeshare flight, operated by American Airlines.(AA 2447)
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This flight number is listed as serving the following routes:


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Alaska Airlines flight AS 4303: Multiple routes
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Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:
Alaska Airlines AS4303
09:35
Miami (MIA)

12:05
Chicago O'Hare (ORD) 3
Effective 2026-03-08 through 2026-04-06
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 3024)
Duration: 3:30, non-stop
Boeing 737-800 (738)
Direct Codeshare Flights:
Alaska Airlines AS4303
13:10
Chicago O'Hare (ORD) 3

14:51
Kansas City (MCI)
Effective 2026-04-07 through 2026-05-20
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 3734)
Duration: 1:41, non-stop
Embraer EMB 170 / EMB 175 (E70)
Direct Codeshare Flights:
Alaska Airlines AS4303
16:21
Kansas City (MCI)

18:00
Chicago O'Hare (ORD) 3
Effective 2026-04-07 through 2026-05-20
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 3734)
Duration: 1:39, non-stop
Embraer EMB 170 / EMB 175 (E70)
Direct Codeshare Flights:
Alaska Airlines AS4303
18:35
Philadelphia (PHL)

20:37
Charleston (CHS)
Effective 2026-05-21 through 2026-07-01
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 2447)
Duration: 2:02, non-stop
Airbus A319 (319)
Direct Codeshare Flights:
Alaska Airlines AS4303
18:35
Philadelphia (PHL)

20:49
Charleston (CHS)
Effective 2026-07-02 through 2026-08-04
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 2447)
Duration: 2:14, non-stop
Airbus A319 (319)
Direct Codeshare Flights:
Alaska Airlines AS4303
18:35
Philadelphia (PHL)

20:44
Charleston (CHS)
Effective 2026-09-09 through 2026-10-04
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 1059)
Duration: 2:09, non-stop
Airbus A319 (319)
Direct Codeshare Flights:
Alaska Airlines AS4303
18:35
Philadelphia (PHL)

20:39
Charleston (CHS)
Effective from 2026-10-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 2447)
Duration: 2:04, non-stop
Airbus A319 (319)
Direct Codeshare Flights:
Alaska Airlines AS4303
19:19
Philadelphia (PHL)

21:29
Charleston (CHS)
Effective 2026-08-05 through 2026-09-08
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 2447)
Duration: 2:10, non-stop
Airbus A319 (319)
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This flight number is listed as serving the following routes:
  • Kansas City (MCI) - Chicago O'Hare (ORD)
  • Miami (MIA) - Chicago O'Hare (ORD)
  • Philadelphia (PHL) - Charleston (CHS)
All Alaska Airlines flights
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