Alaska Airlines flight AS 4457: Multiple routes

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FLIGHT SCHEDULE
Direct Codeshare Flights:
Daily 05:44 Tucson (TUS) 06:50 Phoenix Sky Harbor (PHX) 4
AS 4457 Non-stop Canadair CRJ 700 (CR7) 1:06 Effective 2026-03-30 through 2026-04-06
Codeshare flight, operated by American Airlines.(AA 6314)
Daily 05:53 Tucson (TUS) 06:50 Phoenix Sky Harbor (PHX) 4
AS 4457 Non-stop Embraer EMB 175 (E75) 0:57 Effective 2026-04-07 through 2026-05-12
Codeshare flight, operated by American Airlines.(AA 6314)
Daily 08:45 Phoenix Sky Harbor (PHX) 4 11:45 Salt Lake City (SLC)
AS 4457 Non-stop Embraer EMB 175 (E75) 2:00 Effective 2026-03-08 through 2026-03-29
Codeshare flight, operated by American Airlines.(AA 6282)
Daily 09:30 Phoenix Sky Harbor (PHX) 4 11:38 Salt Lake City (SLC)
AS 4457 Non-stop Embraer EMB 175 (E75) 2:08 Valid until 2026-01-05
Codeshare flight, operated by American Airlines.(AA 6282)
Mon,Tue,Thu-Sat 09:40 Phoenix Sky Harbor (PHX) 4 11:37 Salt Lake City (SLC)
AS 4457 Non-stop Embraer EMB 175 (E75) 1:57 Effective 2026-02-12 through 2026-03-07
Codeshare flight, operated by American Airlines.(AA 4906)
Wed 09:45 Phoenix Sky Harbor (PHX) 4 11:42 Salt Lake City (SLC)
AS 4457 Non-stop Embraer EMB 175 (E75) 1:57 Effective 2026-02-18 through 2026-03-04
Codeshare flight, operated by American Airlines.(AA 4906)
Sun 09:50 Phoenix Sky Harbor (PHX) 4 11:46 Salt Lake City (SLC)
AS 4457 Non-stop Embraer EMB 175 (E75) 1:56 Effective 2026-02-15 through 2026-03-01
Codeshare flight, operated by American Airlines.(AA 4906)
Sat 09:55 Chicago O'Hare (ORD) 3 12:26 Louisville (SDF)
AS 4457 Non-stop Embraer EMB 175 (E75) 1:31 Operates only on 2026-01-17
Codeshare flight, operated by American Airlines.(AA 4360)
Daily 12:08 Salt Lake City (SLC) 14:14 Phoenix Sky Harbor (PHX) 4
AS 4457 Non-stop Embraer EMB 175 (E75) 2:06 Valid until 2026-01-05
Codeshare flight, operated by American Airlines.(AA 6282)
Wed 12:15 Salt Lake City (SLC) 14:08 Phoenix Sky Harbor (PHX) 4
AS 4457 Non-stop Embraer EMB 175 (E75) 1:53 Effective 2026-02-18 through 2026-03-04
Codeshare flight, operated by American Airlines.(AA 4906)
Daily 12:15 Salt Lake City (SLC) 13:10 Phoenix Sky Harbor (PHX) 4
AS 4457 Non-stop Embraer EMB 175 (E75) 1:55 Effective 2026-03-08 through 2026-03-29
Codeshare flight, operated by American Airlines.(AA 6282)
Mon,Tue,Thu-Sun 12:16 Salt Lake City (SLC) 14:09 Phoenix Sky Harbor (PHX) 4
AS 4457 Non-stop Embraer EMB 175 (E75) 1:53 Effective 2026-02-12 through 2026-03-07
Codeshare flight, operated by American Airlines.(AA 4906)
Daily 15:15 Phoenix Sky Harbor (PHX) 4 17:57 Salt Lake City (SLC)
AS 4457 Non-stop Airbus A319 (319) 1:42 Effective from 2026-10-05
Codeshare flight, operated by American Airlines.(AA 3204)
Daily 19:14 Salt Lake City (SLC) 19:55 Phoenix Sky Harbor (PHX) 4
AS 4457 Non-stop Airbus A319 (319) 1:41 Effective from 2026-10-05
Codeshare flight, operated by American Airlines.(AA 3204)
Daily 20:20 Phoenix Sky Harbor (PHX) 4 22:17 Sacramento (SMF) A
AS 4457 Non-stop Boeing 737 MAX 8 (7M8) 1:57 Effective 2026-05-21 through 2026-07-01
Codeshare flight, operated by American Airlines.(AA 2048)
Daily 20:20 Phoenix Sky Harbor (PHX) 4 22:19 Sacramento (SMF) A
AS 4457 Non-stop Boeing 737 MAX 8 (7M8) 1:59 Effective 2026-07-02 through 2026-08-04
Codeshare flight, operated by American Airlines.(AA 2048)
Daily 20:20 Phoenix Sky Harbor (PHX) 4 22:21 Sacramento (SMF) A
AS 4457 Non-stop Boeing 737 MAX 8 (7M8) 2:01 Effective 2026-09-09 through 2026-10-04
Codeshare flight, operated by American Airlines.(AA 2048)
Daily 20:30 Phoenix Sky Harbor (PHX) 4 22:31 Sacramento (SMF) A
AS 4457 Non-stop Boeing 737 MAX 8 (7M8) 2:01 Effective 2026-08-05 through 2026-09-08
Codeshare flight, operated by American Airlines.(AA 2048)
Mon-Fri,Sun 20:49 Chicago O'Hare (ORD) 3 23:19 Louisville (SDF)
AS 4457 Non-stop Embraer EMB 175 (E75) 1:30 Effective 2026-01-06 through 2026-02-11
Codeshare flight, operated by American Airlines.(AA 4603)
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This flight number is listed as serving the following routes:


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Alaska Airlines flight AS 4457: Multiple routes
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Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:
Alaska Airlines AS4457
05:44
Tucson (TUS)

06:50
Phoenix Sky Harbor (PHX) 4
Effective 2026-03-30 through 2026-04-06
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 6314)
Duration: 1:06, non-stop
Canadair CRJ 700 (CR7)
Direct Codeshare Flights:
Alaska Airlines AS4457
05:53
Tucson (TUS)

06:50
Phoenix Sky Harbor (PHX) 4
Effective 2026-04-07 through 2026-05-12
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 6314)
Duration: 0:57, non-stop
Embraer EMB 175 (E75)
Direct Codeshare Flights:
Alaska Airlines AS4457
08:45
Phoenix Sky Harbor (PHX) 4

11:45
Salt Lake City (SLC)
Effective 2026-03-08 through 2026-03-29
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 6282)
Duration: 2:00, non-stop
Embraer EMB 175 (E75)
Direct Codeshare Flights:
Alaska Airlines AS4457
09:30
Phoenix Sky Harbor (PHX) 4

11:38
Salt Lake City (SLC)
Valid until 2026-01-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 6282)
Duration: 2:08, non-stop
Embraer EMB 175 (E75)
Direct Codeshare Flights:
Alaska Airlines AS4457
09:40
Phoenix Sky Harbor (PHX) 4

11:37
Salt Lake City (SLC)
Effective 2026-02-12 through 2026-03-07
Mon
Tue
Wed
-
Thu
Fri
Sat
Sun
-
Codeshare flight, operated by American Airlines. (AA 4906)
Duration: 1:57, non-stop
Embraer EMB 175 (E75)
Direct Codeshare Flights:
Alaska Airlines AS4457
09:45
Phoenix Sky Harbor (PHX) 4

11:42
Salt Lake City (SLC)
Effective 2026-02-18 through 2026-03-04
Mon
-
Tue
-
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by American Airlines. (AA 4906)
Duration: 1:57, non-stop
Embraer EMB 175 (E75)
Direct Codeshare Flights:
Alaska Airlines AS4457
09:50
Phoenix Sky Harbor (PHX) 4

11:46
Salt Lake City (SLC)
Effective 2026-02-15 through 2026-03-01
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Codeshare flight, operated by American Airlines. (AA 4906)
Duration: 1:56, non-stop
Embraer EMB 175 (E75)
Direct Codeshare Flights:
Alaska Airlines AS4457
09:55
Chicago O'Hare (ORD) 3

12:26
Louisville (SDF)
Operates only on 2026-01-17
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by American Airlines. (AA 4360)
Duration: 1:31, non-stop
Embraer EMB 175 (E75)
Direct Codeshare Flights:
Alaska Airlines AS4457
12:08
Salt Lake City (SLC)

14:14
Phoenix Sky Harbor (PHX) 4
Valid until 2026-01-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 6282)
Duration: 2:06, non-stop
Embraer EMB 175 (E75)
Direct Codeshare Flights:
Alaska Airlines AS4457
12:15
Salt Lake City (SLC)

14:08
Phoenix Sky Harbor (PHX) 4
Effective 2026-02-18 through 2026-03-04
Mon
-
Tue
-
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by American Airlines. (AA 4906)
Duration: 1:53, non-stop
Embraer EMB 175 (E75)
Direct Codeshare Flights:
Alaska Airlines AS4457
12:15
Salt Lake City (SLC)

13:10
Phoenix Sky Harbor (PHX) 4
Effective 2026-03-08 through 2026-03-29
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 6282)
Duration: 1:55, non-stop
Embraer EMB 175 (E75)
Direct Codeshare Flights:
Alaska Airlines AS4457
12:16
Salt Lake City (SLC)

14:09
Phoenix Sky Harbor (PHX) 4
Effective 2026-02-12 through 2026-03-07
Mon
Tue
Wed
-
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 4906)
Duration: 1:53, non-stop
Embraer EMB 175 (E75)
Direct Codeshare Flights:
Alaska Airlines AS4457
15:15
Phoenix Sky Harbor (PHX) 4

17:57
Salt Lake City (SLC)
Effective from 2026-10-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 3204)
Duration: 1:42, non-stop
Airbus A319 (319)
Direct Codeshare Flights:
Alaska Airlines AS4457
19:14
Salt Lake City (SLC)

19:55
Phoenix Sky Harbor (PHX) 4
Effective from 2026-10-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 3204)
Duration: 1:41, non-stop
Airbus A319 (319)
Direct Codeshare Flights:
Alaska Airlines AS4457
20:20
Phoenix Sky Harbor (PHX) 4

22:17
Sacramento (SMF) A
Effective 2026-05-21 through 2026-07-01
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 2048)
Duration: 1:57, non-stop
Boeing 737 MAX 8 (7M8)
Direct Codeshare Flights:
Alaska Airlines AS4457
20:20
Phoenix Sky Harbor (PHX) 4

22:19
Sacramento (SMF) A
Effective 2026-07-02 through 2026-08-04
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 2048)
Duration: 1:59, non-stop
Boeing 737 MAX 8 (7M8)
Direct Codeshare Flights:
Alaska Airlines AS4457
20:20
Phoenix Sky Harbor (PHX) 4

22:21
Sacramento (SMF) A
Effective 2026-09-09 through 2026-10-04
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 2048)
Duration: 2:01, non-stop
Boeing 737 MAX 8 (7M8)
Direct Codeshare Flights:
Alaska Airlines AS4457
20:30
Phoenix Sky Harbor (PHX) 4

22:31
Sacramento (SMF) A
Effective 2026-08-05 through 2026-09-08
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 2048)
Duration: 2:01, non-stop
Boeing 737 MAX 8 (7M8)
Direct Codeshare Flights:
Alaska Airlines AS4457
20:49
Chicago O'Hare (ORD) 3

23:19
Louisville (SDF)
Effective 2026-01-06 through 2026-02-11
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Codeshare flight, operated by American Airlines. (AA 4603)
Duration: 1:30, non-stop
Embraer EMB 175 (E75)
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This flight number is listed as serving the following routes:
  • Chicago O'Hare (ORD) - Louisville (SDF)
  • Phoenix Sky Harbor (PHX) - Sacramento (SMF)
  • Salt Lake City (SLC) - Phoenix Sky Harbor (PHX)
  • Tucson (TUS) - Phoenix Sky Harbor (PHX)
All Alaska Airlines flights
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