Alaska Airlines flight AS 4451: Multiple routes

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FLIGHT SCHEDULE
Direct Codeshare Flights:
Daily 06:00 Indianapolis (IND) 06:16 Chicago O'Hare (ORD) 3
AS 4451 Non-stop Airbus A319 (319) 1:16 Effective 2026-08-05 through 2026-09-08
Codeshare flight, operated by American Airlines.(AA 1652)
Daily 10:29 Philadelphia (PHL) 11:59 Chicago O'Hare (ORD) 3
AS 4451 Non-stop Boeing 737-800 (738) 2:30 Effective 2026-09-09 through 2026-10-02
Codeshare flight, operated by American Airlines.(AA 3313)
Sat 10:45 Philadelphia (PHL) 12:16 Chicago O'Hare (ORD) 3
AS 4451 Non-stop Boeing 737-800 (738) 2:31 Effective 2026-04-11 through 2026-05-09
Codeshare flight, operated by American Airlines.(AA 1049)
Mon-Fri,Sun 12:23 Philadelphia (PHL) 13:59 Chicago O'Hare (ORD) 3
AS 4451 Non-stop Boeing 737-800 (738) 2:36 Effective 2026-01-06 through 2026-02-09
Codeshare flight, operated by American Airlines.(AA 1452)
Tue,Wed 12:23 Philadelphia (PHL) 14:10 Chicago O'Hare (ORD) 3
AS 4451 Non-stop Airbus A319 (319) 2:47 Effective 2026-02-10 through 2026-02-11
Codeshare flight, operated by American Airlines.(AA 1452)
Daily 13:18 Flagstaff Pulliam, Grand Canyon (FLG) 14:15 Phoenix Sky Harbor (PHX) 4
AS 4451 Non-stop Canadair CRJ 700 (CR7) 0:57 Effective from 2026-10-05
Codeshare flight, operated by American Airlines.(AA 6513)
Daily 13:35 Phoenix Sky Harbor (PHX) 4 14:25 Tucson (TUS)
AS 4451 Non-stop Canadair CRJ 700 (CR7) 0:50 Effective 2026-05-13 through 2026-05-20
Codeshare flight, operated by American Airlines.(AA 6413)
Mon,Thu,Fri,Sun 13:38 Philadelphia (PHL) 15:11 Chicago O'Hare (ORD) 3
AS 4451 Non-stop Airbus A319 (319) 2:33 Effective 2026-02-12 through 2026-03-06
Codeshare flight, operated by American Airlines.(AA 1452)
Daily 13:54 Philadelphia (PHL) 15:21 Chicago O'Hare (ORD) 3
AS 4451 Non-stop Airbus A319 (319) 2:27 Valid until 2026-01-05
Codeshare flight, operated by American Airlines.(AA 1452)
Tue,Wed 14:00 Philadelphia (PHL) 15:33 Chicago O'Hare (ORD) 3
AS 4451 Non-stop Airbus A319 (319) 2:33 Effective 2026-02-17 through 2026-03-04
Codeshare flight, operated by American Airlines.(AA 1452)
Daily 14:28 Corpus Christi (CRP) 15:55 Dallas Fort Worth (DFW)
AS 4451 Non-stop Embraer EMB 175 (E75) 1:27 Effective 2026-05-21 through 2026-07-01
Codeshare flight, operated by American Airlines.(AA 3482)
Sat 16:27 Phoenix Sky Harbor (PHX) 4 17:22 Tucson (TUS)
AS 4451 Non-stop Canadair CRJ 700 (CR7) 0:55 Effective 2026-02-14 through 2026-02-28
Codeshare flight, operated by American Airlines.(AA 4901)
Sat 17:56 Tucson (TUS) 18:58 Phoenix Sky Harbor (PHX) 4
AS 4451 Non-stop Canadair CRJ 700 (CR7) 1:02 Effective 2026-02-14 through 2026-02-28
Codeshare flight, operated by American Airlines.(AA 4901)
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This flight number is listed as serving the following routes:
Alaska Airlines flight AS 4451: Multiple routes
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Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:

Alaska Airlines AS4451
Effective 2026-08-05 through 2026-09-08
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 1652)
Duration: 1:16, non-stop
Airbus A319 (319)

Direct Codeshare Flights:

Alaska Airlines AS4451
Effective 2026-09-09 through 2026-10-02
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 3313)
Duration: 2:30, non-stop
Boeing 737-800 (738)

Direct Codeshare Flights:

Alaska Airlines AS4451
Effective 2026-04-11 through 2026-05-09
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by American Airlines. (AA 1049)
Duration: 2:31, non-stop
Boeing 737-800 (738)

Direct Codeshare Flights:

Alaska Airlines AS4451
Effective 2026-01-06 through 2026-02-09
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Codeshare flight, operated by American Airlines. (AA 1452)
Duration: 2:36, non-stop
Boeing 737-800 (738)

Direct Codeshare Flights:

Alaska Airlines AS4451
Effective 2026-02-10 through 2026-02-11
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by American Airlines. (AA 1452)
Duration: 2:47, non-stop
Airbus A319 (319)

Direct Codeshare Flights:

Alaska Airlines AS4451
Effective from 2026-10-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 6513)
Duration: 0:57, non-stop
Canadair CRJ 700 (CR7)

Direct Codeshare Flights:

Alaska Airlines AS4451
Effective 2026-05-13 through 2026-05-20
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 6413)
Duration: 0:50, non-stop
Canadair CRJ 700 (CR7)

Direct Codeshare Flights:

Alaska Airlines AS4451
Effective 2026-02-12 through 2026-03-06
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Codeshare flight, operated by American Airlines. (AA 1452)
Duration: 2:33, non-stop
Airbus A319 (319)

Direct Codeshare Flights:

Alaska Airlines AS4451
Valid until 2026-01-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 1452)
Duration: 2:27, non-stop
Airbus A319 (319)

Direct Codeshare Flights:

Alaska Airlines AS4451
Effective 2026-02-17 through 2026-03-04
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by American Airlines. (AA 1452)
Duration: 2:33, non-stop
Airbus A319 (319)

Direct Codeshare Flights:

Alaska Airlines AS4451
Effective 2026-05-21 through 2026-07-01
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 3482)
Duration: 1:27, non-stop
Embraer EMB 175 (E75)

Direct Codeshare Flights:

Alaska Airlines AS4451
Effective 2026-02-14 through 2026-02-28
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by American Airlines. (AA 4901)
Duration: 0:55, non-stop
Canadair CRJ 700 (CR7)

Direct Codeshare Flights:

Alaska Airlines AS4451
Effective 2026-02-14 through 2026-02-28
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by American Airlines. (AA 4901)
Duration: 1:02, non-stop
Canadair CRJ 700 (CR7)
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This flight number is listed as serving the following routes:
  • Corpus Christi (CRP) - Dallas Fort Worth (DFW)
  • Flagstaff Pulliam, Grand Canyon (FLG) - Phoenix Sky Harbor (PHX)
  • Indianapolis (IND) - Chicago O'Hare (ORD)
  • Philadelphia (PHL) - Chicago O'Hare (ORD)
  • Phoenix Sky Harbor (PHX) - Tucson (TUS)