Alaska Airlines flight AS 4542: Multiple routes

Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:
Daily 06:54 Tucson (TUS) 07:50 Phoenix Sky Harbor (PHX) 4
AS 4542 Non-stop Canadair CRJ 700 (CR7) 0:56 Effective 2025-01-07 through 2025-02-12
Codeshare flight, operated by American Airlines.(AA 6314)
Daily 08:14 Tucson (TUS) 09:05 Phoenix Sky Harbor (PHX) 4
AS 4542 Non-stop Canadair CRJ 700 (CR7) 0:51 Effective 2024-12-06 through 2024-12-18
Codeshare flight, operated by American Airlines.(AA 6514)
Tue 08:30 Tucson (TUS) 09:29 Phoenix Sky Harbor (PHX) 4
AS 4542 Non-stop Canadair CRJ 700 (CR7) 0:59 Operates only on 2024-11-05
Codeshare flight, operated by American Airlines.(AA 6514)
Tue,Wed 10:30 Tucson (TUS) 11:26 Phoenix Sky Harbor (PHX) 4
AS 4542 Non-stop Canadair CRJ 700 (CR7) 0:56 Effective 2024-09-04 through 2024-10-02
Codeshare flight, operated by American Airlines.(AA 4875)
Mon,Tue,Thu-Sat 11:30 Tucson (TUS) 12:26 Phoenix Sky Harbor (PHX) 4
AS 4542 Non-stop Embraer EMB 175 (E75) 0:56 Effective 2024-11-07 through 2024-11-21
Codeshare flight, operated by American Airlines.(AA 4029)
Tue,Wed 11:53 Tucson (TUS) 12:50 Phoenix Sky Harbor (PHX) 4
AS 4542 Non-stop Canadair CRJ 700 (CR7) 0:57 Effective 2024-12-24 through 2024-12-31
Codeshare flight, operated by American Airlines.(AA 6499)
Fri 11:59 Tucson (TUS) 12:50 Phoenix Sky Harbor (PHX) 4
AS 4542 Non-stop Canadair CRJ 700 (CR7) 0:51 Operates only on 2024-11-29
Codeshare flight, operated by American Airlines.(AA 6499)
Daily 13:55 Tucson (TUS) 14:50 Phoenix Sky Harbor (PHX) 4
AS 4542 Non-stop Canadair CRJ 700 (CR7) 0:55 Effective 2025-03-09 through 2025-04-03
Codeshare flight, operated by American Airlines.(AA 6374)
Mon,Tue 15:38 Raleigh/Durham (RDU) 2 17:39 Dallas Fort Worth (DFW)
AS 4542 Non-stop Boeing 737-800 (738) 3:01 Effective 2024-09-02 through 2024-09-03
Codeshare flight, operated by American Airlines.(AA 2381)
Tue,Wed 16:02 Tucson (TUS) 17:00 Phoenix Sky Harbor (PHX) 4
AS 4542 Non-stop Canadair CRJ 700 (CR7) 0:58 Effective 2024-12-03 through 2024-12-04
Codeshare flight, operated by American Airlines.(AA 4854)
Mon,Wed-Fri,Sun 20:19 Tucson (TUS) 21:19 Phoenix Sky Harbor (PHX) 4
AS 4542 Non-stop Canadair CRJ 700 (CR7) 1:00 Effective 2024-10-07 through 2024-10-28
Codeshare flight, operated by American Airlines.(AA 6208)
Fri 20:19 Tucson (TUS) 21:19 Phoenix Sky Harbor (PHX) 4
AS 4542 Non-stop Canadair CRJ 700 (CR7) 1:00 Operates only on 2024-11-01
Codeshare flight, operated by American Airlines.(AA 6208)
Wed 21:18 Tucson (TUS) 22:15 Phoenix Sky Harbor (PHX) 4
AS 4542 Non-stop Canadair CRJ 700 (CR7) 0:57 Effective 2024-11-06 through 2024-11-20
Codeshare flight, operated by American Airlines.(AA 6478)
Mon-Wed,Fri-Sun 21:18 Tucson (TUS) 22:15 Phoenix Sky Harbor (PHX) 4
AS 4542 Non-stop Canadair CRJ 700 (CR7) 0:57 Effective 2024-11-22 through 2024-11-27
Codeshare flight, operated by American Airlines.(AA 6478)
Mon,Sat,Sun 21:18 Tucson (TUS) 22:15 Phoenix Sky Harbor (PHX) 4
AS 4542 Non-stop Canadair CRJ 700 (CR7) 0:57 Effective 2024-11-30 through 2024-12-02
Codeshare flight, operated by American Airlines.(AA 6478)
Sun 21:19 Tucson (TUS) 22:19 Phoenix Sky Harbor (PHX) 4
AS 4542 Non-stop Canadair CRJ 700 (CR7) 1:00 Operates only on 2024-11-03
Codeshare flight, operated by American Airlines.(AA 6208)
Mon,Thu-Sun 21:23 Tucson (TUS) 22:20 Phoenix Sky Harbor (PHX) 4
AS 4542 Non-stop Canadair CRJ 700 (CR7) 0:57 Effective 2024-12-19 through 2024-12-30
Codeshare flight, operated by American Airlines.(AA 6478)
Mon,Wed-Sun 21:23 Tucson (TUS) 22:20 Phoenix Sky Harbor (PHX) 4
AS 4542 Non-stop Canadair CRJ 700 (CR7) 0:57 Effective 2025-01-01 through 2025-01-06
Codeshare flight, operated by American Airlines.(AA 6478)
Thu 21:25 Tucson (TUS) 22:20 Phoenix Sky Harbor (PHX) 4
AS 4542 Non-stop Canadair CRJ 700 (CR7) 0:55 Operates only on 2024-12-05
Codeshare flight, operated by American Airlines.(AA 6478)
Daily 22:00 Ronald Reagan Washington (DCA) 2 23:24 Buffalo (BUF)
AS 4542 Non-stop Embraer EMB 175 (E75) 1:24 Effective 2025-02-13 through 2025-03-05
Codeshare flight, operated by American Airlines.(AA 4336)
Thu-Sat 22:00 Ronald Reagan Washington (DCA) 2 23:35 Buffalo (BUF)
AS 4542 Non-stop Embraer EMB 175 (E75) 1:35 Effective 2025-03-06 through 2025-03-08
Codeshare flight, operated by American Airlines.(AA 4336)
Daily 22:00 Ronald Reagan Washington (DCA) 2 23:28 Buffalo (BUF)
AS 4542 Non-stop Embraer EMB 175 (E75) 1:28 Effective 2025-04-04 through 2025-05-04
Codeshare flight, operated by American Airlines.(AA 4447)
Daily 22:00 Ronald Reagan Washington (DCA) 2 23:23 Buffalo (BUF)
AS 4542 Non-stop Embraer EMB 175 (E75) 1:23 Effective 2025-05-05 through 2025-06-04
Codeshare flight, operated by American Airlines.(AA 4336)
This flight number is listed as serving the following routes:


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Alaska Airlines flight AS 4542: Multiple routes
Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:
Alaska Airlines AS4542
06:54
Tucson (TUS)

07:50
Phoenix Sky Harbor (PHX) 4
Effective 2025-01-07 through 2025-02-12
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 6314)
Duration: 0:56, non-stop
Canadair CRJ 700 (CR7)
Alaska Airlines AS4542
08:14
Tucson (TUS)

09:05
Phoenix Sky Harbor (PHX) 4
Effective 2024-12-06 through 2024-12-18
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 6514)
Duration: 0:51, non-stop
Canadair CRJ 700 (CR7)
Alaska Airlines AS4542
08:30
Tucson (TUS)

09:29
Phoenix Sky Harbor (PHX) 4
Operates only on 2024-11-05
Mon
-
Tue
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by American Airlines. (AA 6514)
Duration: 0:59, non-stop
Canadair CRJ 700 (CR7)
Alaska Airlines AS4542
10:30
Tucson (TUS)

11:26
Phoenix Sky Harbor (PHX) 4
Effective 2024-09-04 through 2024-10-02
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by American Airlines. (AA 4875)
Duration: 0:56, non-stop
Canadair CRJ 700 (CR7)
Alaska Airlines AS4542
11:30
Tucson (TUS)

12:26
Phoenix Sky Harbor (PHX) 4
Effective 2024-11-07 through 2024-11-21
Mon
Tue
Wed
-
Thu
Fri
Sat
Sun
-
Codeshare flight, operated by American Airlines. (AA 4029)
Duration: 0:56, non-stop
Embraer EMB 175 (E75)
Alaska Airlines AS4542
11:53
Tucson (TUS)

12:50
Phoenix Sky Harbor (PHX) 4
Effective 2024-12-24 through 2024-12-31
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by American Airlines. (AA 6499)
Duration: 0:57, non-stop
Canadair CRJ 700 (CR7)
Alaska Airlines AS4542
11:59
Tucson (TUS)

12:50
Phoenix Sky Harbor (PHX) 4
Operates only on 2024-11-29
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Codeshare flight, operated by American Airlines. (AA 6499)
Duration: 0:51, non-stop
Canadair CRJ 700 (CR7)
Alaska Airlines AS4542
13:55
Tucson (TUS)

14:50
Phoenix Sky Harbor (PHX) 4
Effective 2025-03-09 through 2025-04-03
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 6374)
Duration: 0:55, non-stop
Canadair CRJ 700 (CR7)
Alaska Airlines AS4542
15:38
Raleigh/Durham (RDU) 2

17:39
Dallas Fort Worth (DFW)
Effective 2024-09-02 through 2024-09-03
Mon
Tue
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by American Airlines. (AA 2381)
Duration: 3:01, non-stop
Boeing 737-800 (738)
Alaska Airlines AS4542
16:02
Tucson (TUS)

17:00
Phoenix Sky Harbor (PHX) 4
Effective 2024-12-03 through 2024-12-04
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by American Airlines. (AA 4854)
Duration: 0:58, non-stop
Canadair CRJ 700 (CR7)
Alaska Airlines AS4542
20:19
Tucson (TUS)

21:19
Phoenix Sky Harbor (PHX) 4
Effective 2024-10-07 through 2024-10-28
Mon
Tue
-
Wed
Thu
Fri
Sat
-
Sun
Codeshare flight, operated by American Airlines. (AA 6208)
Duration: 1:00, non-stop
Canadair CRJ 700 (CR7)
Alaska Airlines AS4542
20:19
Tucson (TUS)

21:19
Phoenix Sky Harbor (PHX) 4
Operates only on 2024-11-01
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Codeshare flight, operated by American Airlines. (AA 6208)
Duration: 1:00, non-stop
Canadair CRJ 700 (CR7)
Alaska Airlines AS4542
21:18
Tucson (TUS)

22:15
Phoenix Sky Harbor (PHX) 4
Effective 2024-11-06 through 2024-11-20
Mon
-
Tue
-
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by American Airlines. (AA 6478)
Duration: 0:57, non-stop
Canadair CRJ 700 (CR7)
Alaska Airlines AS4542
21:18
Tucson (TUS)

22:15
Phoenix Sky Harbor (PHX) 4
Effective 2024-11-22 through 2024-11-27
Mon
Tue
Wed
Thu
-
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 6478)
Duration: 0:57, non-stop
Canadair CRJ 700 (CR7)
Alaska Airlines AS4542
21:18
Tucson (TUS)

22:15
Phoenix Sky Harbor (PHX) 4
Effective 2024-11-30 through 2024-12-02
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 6478)
Duration: 0:57, non-stop
Canadair CRJ 700 (CR7)
Alaska Airlines AS4542
21:19
Tucson (TUS)

22:19
Phoenix Sky Harbor (PHX) 4
Operates only on 2024-11-03
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Codeshare flight, operated by American Airlines. (AA 6208)
Duration: 1:00, non-stop
Canadair CRJ 700 (CR7)
Alaska Airlines AS4542
21:23
Tucson (TUS)

22:20
Phoenix Sky Harbor (PHX) 4
Effective 2024-12-19 through 2024-12-30
Mon
Tue
-
Wed
-
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 6478)
Duration: 0:57, non-stop
Canadair CRJ 700 (CR7)
Alaska Airlines AS4542
21:23
Tucson (TUS)

22:20
Phoenix Sky Harbor (PHX) 4
Effective 2025-01-01 through 2025-01-06
Mon
Tue
-
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 6478)
Duration: 0:57, non-stop
Canadair CRJ 700 (CR7)
Alaska Airlines AS4542
21:25
Tucson (TUS)

22:20
Phoenix Sky Harbor (PHX) 4
Operates only on 2024-12-05
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by American Airlines. (AA 6478)
Duration: 0:55, non-stop
Canadair CRJ 700 (CR7)
Alaska Airlines AS4542
22:00
Ronald Reagan Washington (DCA) 2

23:24
Buffalo (BUF)
Effective 2025-02-13 through 2025-03-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 4336)
Duration: 1:24, non-stop
Embraer EMB 175 (E75)
Alaska Airlines AS4542
22:00
Ronald Reagan Washington (DCA) 2

23:35
Buffalo (BUF)
Effective 2025-03-06 through 2025-03-08
Mon
-
Tue
-
Wed
-
Thu
Fri
Sat
Sun
-
Codeshare flight, operated by American Airlines. (AA 4336)
Duration: 1:35, non-stop
Embraer EMB 175 (E75)
Alaska Airlines AS4542
22:00
Ronald Reagan Washington (DCA) 2

23:28
Buffalo (BUF)
Effective 2025-04-04 through 2025-05-04
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 4447)
Duration: 1:28, non-stop
Embraer EMB 175 (E75)
Alaska Airlines AS4542
22:00
Ronald Reagan Washington (DCA) 2

23:23
Buffalo (BUF)
Effective 2025-05-05 through 2025-06-04
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 4336)
Duration: 1:23, non-stop
Embraer EMB 175 (E75)
This flight number is listed as serving the following routes:
  • Raleigh/Durham (RDU) - Dallas Fort Worth (DFW)
  • Ronald Reagan Washington (DCA) - Buffalo (BUF)
  • Tucson (TUS) - Phoenix Sky Harbor (PHX)
All Alaska Airlines flights
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