Alaska Airlines flight AS 4423: Multiple routes

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FLIGHT SCHEDULE
Direct Codeshare Flights:
Sat 05:28 Tulsa (TUL) 07:30 Chicago O'Hare (ORD) 3
AS 4423 Non-stop Embraer EMB 175 (E75) 2:02 Effective 2026-04-11 through 2026-05-09
Codeshare flight, operated by American Airlines.(AA 4492)
Daily 07:16 Phoenix Sky Harbor (PHX) 4 08:26 Yuma (YUM)
AS 4423 Non-stop Embraer EMB 175 (E75) 1:10 Effective 2026-03-08 through 2026-03-28
Codeshare flight, operated by American Airlines.(AA 6475)
Daily 08:06 Chicago O'Hare (ORD) 3 11:27 Hartford (BDL)
AS 4423 Non-stop Embraer EMB 175 (E75) 2:21 Effective 2026-08-05 through 2026-09-08
Codeshare flight, operated by American Airlines.(AA 4544)
Daily 11:57 Hartford (BDL) 13:40 Chicago O'Hare (ORD) 3
AS 4423 Non-stop Embraer EMB 175 (E75) 2:43 Effective 2026-08-05 through 2026-09-08
Codeshare flight, operated by American Airlines.(AA 4544)
Mon-Fri,Sun 12:15 Phoenix Sky Harbor (PHX) 4 13:10 Flagstaff Pulliam, Grand Canyon (FLG)
AS 4423 Non-stop Canadair CRJ 700 (CR7) 0:55 Effective 2026-04-07 through 2026-04-21
Codeshare flight, operated by American Airlines.(AA 6249)
Mon-Fri,Sun 15:13 Flagstaff Pulliam, Grand Canyon (FLG) 16:10 Phoenix Sky Harbor (PHX) 4
AS 4423 Non-stop Canadair CRJ 700 (CR7) 0:57 Effective 2026-04-07 through 2026-04-21
Codeshare flight, operated by American Airlines.(AA 6249)
Daily 15:51 Tulsa (TUL) 18:00 Chicago O'Hare (ORD) 3
AS 4423 Non-stop Embraer EMB 170 / EMB 175 (E70) 2:09 Effective from 2026-10-05
Codeshare flight, operated by American Airlines.(AA 4155)
Mon,Tue,Thu-Sun 21:20 Philadelphia (PHL) F 22:55 Portland (PWM)
AS 4423 Non-stop Canadair CRJ 900 (CR9) 1:35 Valid until 2026-01-05
Codeshare flight, operated by American Airlines.(AA 5200)
Daily 21:24 Philadelphia (PHL) F 22:54 Portland (PWM)
AS 4423 Non-stop Canadair CRJ 900 (CR9) 1:30 Effective 2026-01-06 through 2026-02-11
Codeshare flight, operated by American Airlines.(AA 5200)
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This flight number is listed as serving the following routes:


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Alaska Airlines flight AS 4423: Multiple routes
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Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:
Alaska Airlines AS4423
05:28
Tulsa (TUL)

07:30
Chicago O'Hare (ORD) 3
Effective 2026-04-11 through 2026-05-09
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by American Airlines. (AA 4492)
Duration: 2:02, non-stop
Embraer EMB 175 (E75)
Direct Codeshare Flights:
Alaska Airlines AS4423
07:16
Phoenix Sky Harbor (PHX) 4

08:26
Yuma (YUM)
Effective 2026-03-08 through 2026-03-28
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 6475)
Duration: 1:10, non-stop
Embraer EMB 175 (E75)
Direct Codeshare Flights:
Alaska Airlines AS4423
08:06
Chicago O'Hare (ORD) 3

11:27
Hartford (BDL)
Effective 2026-08-05 through 2026-09-08
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 4544)
Duration: 2:21, non-stop
Embraer EMB 175 (E75)
Direct Codeshare Flights:
Alaska Airlines AS4423
11:57
Hartford (BDL)

13:40
Chicago O'Hare (ORD) 3
Effective 2026-08-05 through 2026-09-08
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 4544)
Duration: 2:43, non-stop
Embraer EMB 175 (E75)
Direct Codeshare Flights:
Alaska Airlines AS4423
12:15
Phoenix Sky Harbor (PHX) 4

13:10
Flagstaff Pulliam, Grand Canyon (FLG)
Effective 2026-04-07 through 2026-04-21
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Codeshare flight, operated by American Airlines. (AA 6249)
Duration: 0:55, non-stop
Canadair CRJ 700 (CR7)
Direct Codeshare Flights:
Alaska Airlines AS4423
15:13
Flagstaff Pulliam, Grand Canyon (FLG)

16:10
Phoenix Sky Harbor (PHX) 4
Effective 2026-04-07 through 2026-04-21
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Codeshare flight, operated by American Airlines. (AA 6249)
Duration: 0:57, non-stop
Canadair CRJ 700 (CR7)
Direct Codeshare Flights:
Alaska Airlines AS4423
15:51
Tulsa (TUL)

18:00
Chicago O'Hare (ORD) 3
Effective from 2026-10-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 4155)
Duration: 2:09, non-stop
Embraer EMB 170 / EMB 175 (E70)
Direct Codeshare Flights:
Alaska Airlines AS4423
21:20
Philadelphia (PHL) F

22:55
Portland (PWM)
Valid until 2026-01-05
Mon
Tue
Wed
-
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 5200)
Duration: 1:35, non-stop
Canadair CRJ 900 (CR9)
Direct Codeshare Flights:
Alaska Airlines AS4423
21:24
Philadelphia (PHL) F

22:54
Portland (PWM)
Effective 2026-01-06 through 2026-02-11
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 5200)
Duration: 1:30, non-stop
Canadair CRJ 900 (CR9)
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This flight number is listed as serving the following routes:
  • Chicago O'Hare (ORD) - Hartford (BDL)
  • Flagstaff Pulliam, Grand Canyon (FLG) - Phoenix Sky Harbor (PHX)
  • Philadelphia (PHL) - Portland (PWM)
  • Phoenix Sky Harbor (PHX) - Yuma (YUM)
  • Tulsa (TUL) - Chicago O'Hare (ORD)
All Alaska Airlines flights
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