Alaska Airlines flight AS 4042: Denver - Phoenix Sky Harbor

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Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:
Sat 07:48 Denver (DEN) 08:52 Phoenix Sky Harbor (PHX) 4
AS 4042 Non-stop Airbus A320 (320) 2:04 Operates only on 2025-05-10
Codeshare flight, operated by American Airlines.(AA 1404)
Mon-Fri,Sun 08:01 Denver (DEN) 09:08 Phoenix Sky Harbor (PHX) 4
AS 4042 Non-stop Airbus A320 (320) 2:07 Effective 2025-05-05 through 2025-05-16
Codeshare flight, operated by American Airlines.(AA 1404)
Daily 08:01 Denver (DEN) 09:08 Phoenix Sky Harbor (PHX) 4
AS 4042 Non-stop Airbus A320 (320) 2:07 Effective 2025-05-17 through 2025-06-04
Codeshare flight, operated by American Airlines.(AA 1404)
Daily 08:09 Denver (DEN) 09:30 Phoenix Sky Harbor (PHX) 4
AS 4042 Non-stop Airbus A320 (320) 2:21 Valid until 2025-05-03
Codeshare flight, operated by American Airlines.(AA 1404)
Sun 08:10 Denver (DEN) 09:20 Phoenix Sky Harbor (PHX) 4
AS 4042 Non-stop Embraer EMB 175 (E75) 2:10 Operates only on 2025-05-04
Codeshare flight, operated by American Airlines.(AA 6428)
Daily 08:14 Denver (DEN) 10:39 Phoenix Sky Harbor (PHX) 4
AS 4042 Non-stop Boeing 737-800 (738) 2:25 Effective 2025-12-18 through 2026-01-05
Codeshare flight, operated by American Airlines.(AA 1404)
Daily 08:17 Denver (DEN) 10:39 Phoenix Sky Harbor (PHX) 4
AS 4042 Non-stop Boeing 737-800 (738) 2:22 Effective 2025-12-03 through 2025-12-17
Codeshare flight, operated by American Airlines.(AA 1404)
Daily 08:19 Denver (DEN) 10:39 Phoenix Sky Harbor (PHX) 4
AS 4042 Non-stop Boeing 737-800 (738) 2:20 Effective 2025-11-02 through 2025-12-02
Codeshare flight, operated by American Airlines.(AA 1404)
Daily 08:19 Denver (DEN) 10:39 Phoenix Sky Harbor (PHX) 4
AS 4042 Non-stop Boeing 737-800 (738) 2:20 Effective 2026-01-06 through 2026-02-11
Codeshare flight, operated by American Airlines.(AA 1404)
Daily 08:30 Denver (DEN) 10:39 Phoenix Sky Harbor (PHX) 4
AS 4042 Non-stop Airbus A320 (320) 2:09 Effective from 2026-02-12
Codeshare flight, operated by American Airlines.(AA 1404)
Daily 08:39 Denver (DEN) 09:39 Phoenix Sky Harbor (PHX) 4
AS 4042 Non-stop Boeing 737-800 (738) 2:00 Effective 2025-09-03 through 2025-11-01
Codeshare flight, operated by American Airlines.(AA 1404)
Daily 08:42 Denver (DEN) 09:34 Phoenix Sky Harbor (PHX) 4
AS 4042 Non-stop Airbus A321neo (32Q) 1:52 Effective 2025-06-05 through 2025-07-04
Codeshare flight, operated by American Airlines.(AA 1404)
Daily 08:42 Denver (DEN) 09:37 Phoenix Sky Harbor (PHX) 4
AS 4042 Non-stop Airbus A321neo (32Q) 1:55 Effective 2025-07-05 through 2025-08-05
Codeshare flight, operated by American Airlines.(AA 1404)
Daily 08:46 Denver (DEN) 09:39 Phoenix Sky Harbor (PHX) 4
AS 4042 Non-stop Boeing 737-800 (738) 1:53 Effective 2025-08-06 through 2025-09-02
Codeshare flight, operated by American Airlines.(AA 1404)
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Alaska Airlines flight AS 4042:
Denver - Phoenix Sky Harbor
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Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:
Alaska Airlines AS4042
07:48
Denver (DEN)

08:52
Phoenix Sky Harbor (PHX) 4
Operates only on 2025-05-10
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by American Airlines. (AA 1404)
Duration: 2:04, non-stop
Airbus A320 (320)
Alaska Airlines AS4042
08:01
Denver (DEN)

09:08
Phoenix Sky Harbor (PHX) 4
Effective 2025-05-05 through 2025-05-16
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Codeshare flight, operated by American Airlines. (AA 1404)
Duration: 2:07, non-stop
Airbus A320 (320)
Alaska Airlines AS4042
08:01
Denver (DEN)

09:08
Phoenix Sky Harbor (PHX) 4
Effective 2025-05-17 through 2025-06-04
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 1404)
Duration: 2:07, non-stop
Airbus A320 (320)
Alaska Airlines AS4042
08:09
Denver (DEN)

09:30
Phoenix Sky Harbor (PHX) 4
Valid until 2025-05-03
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 1404)
Duration: 2:21, non-stop
Airbus A320 (320)
Alaska Airlines AS4042
08:10
Denver (DEN)

09:20
Phoenix Sky Harbor (PHX) 4
Operates only on 2025-05-04
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Codeshare flight, operated by American Airlines. (AA 6428)
Duration: 2:10, non-stop
Embraer EMB 175 (E75)
Alaska Airlines AS4042
08:14
Denver (DEN)

10:39
Phoenix Sky Harbor (PHX) 4
Effective 2025-12-18 through 2026-01-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 1404)
Duration: 2:25, non-stop
Boeing 737-800 (738)
Alaska Airlines AS4042
08:17
Denver (DEN)

10:39
Phoenix Sky Harbor (PHX) 4
Effective 2025-12-03 through 2025-12-17
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 1404)
Duration: 2:22, non-stop
Boeing 737-800 (738)
Alaska Airlines AS4042
08:19
Denver (DEN)

10:39
Phoenix Sky Harbor (PHX) 4
Effective 2025-11-02 through 2025-12-02
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 1404)
Duration: 2:20, non-stop
Boeing 737-800 (738)
Alaska Airlines AS4042
08:19
Denver (DEN)

10:39
Phoenix Sky Harbor (PHX) 4
Effective 2026-01-06 through 2026-02-11
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 1404)
Duration: 2:20, non-stop
Boeing 737-800 (738)
Alaska Airlines AS4042
08:30
Denver (DEN)

10:39
Phoenix Sky Harbor (PHX) 4
Effective from 2026-02-12
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 1404)
Duration: 2:09, non-stop
Airbus A320 (320)
Alaska Airlines AS4042
08:39
Denver (DEN)

09:39
Phoenix Sky Harbor (PHX) 4
Effective 2025-09-03 through 2025-11-01
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 1404)
Duration: 2:00, non-stop
Boeing 737-800 (738)
Alaska Airlines AS4042
08:42
Denver (DEN)

09:34
Phoenix Sky Harbor (PHX) 4
Effective 2025-06-05 through 2025-07-04
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 1404)
Duration: 1:52, non-stop
Airbus A321neo (32Q)
Alaska Airlines AS4042
08:42
Denver (DEN)

09:37
Phoenix Sky Harbor (PHX) 4
Effective 2025-07-05 through 2025-08-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 1404)
Duration: 1:55, non-stop
Airbus A321neo (32Q)
Alaska Airlines AS4042
08:46
Denver (DEN)

09:39
Phoenix Sky Harbor (PHX) 4
Effective 2025-08-06 through 2025-09-02
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 1404)
Duration: 1:53, non-stop
Boeing 737-800 (738)
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  • AS 4042 is a domestic flight departing from the Denver airport (DEN) and arriving at Phoenix Sky Harbor airport (PHX).
  • The flight distance is 601 miles, or 968 km.
  • The timezone of both the departure and the arrival airports is UTC-7 . Current time at both airports is (loading...).
  • For direct flights, the flight time varies between 1:52 and 2:25.
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