Alaska Airlines flight AS 4042: Denver - Phoenix Sky Harbor

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Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:
Sun 07:00 Denver (DEN) 09:19 Phoenix Sky Harbor (PHX) 4
AS 4042 Non-stop Airbus A320 (320) 2:19 Effective 2026-02-15 through 2026-03-01
Codeshare flight, operated by American Airlines.(AA 1404)
Daily 07:10 Denver (DEN) 09:10 Phoenix Sky Harbor (PHX) 4
AS 4042 Non-stop Airbus A319 (319) 2:00 Valid until 2026-01-05
Codeshare flight, operated by American Airlines.(AA 1404)
Daily 07:10 Denver (DEN) 08:02 Phoenix Sky Harbor (PHX) 4
AS 4042 Non-stop Airbus A319 (319) 1:52 Effective 2026-08-05 through 2026-09-08
Codeshare flight, operated by American Airlines.(AA 1404)
Tue 07:17 Denver (DEN) 09:16 Phoenix Sky Harbor (PHX) 4
AS 4042 Non-stop Airbus A319 (319) 1:59 Operates only on 2026-01-06
Codeshare flight, operated by American Airlines.(AA 1404)
Mon,Tue,Thu-Sat 07:42 Denver (DEN) 10:01 Phoenix Sky Harbor (PHX) 4
AS 4042 Non-stop Airbus A320 (320) 2:19 Effective 2026-02-13 through 2026-03-07
Codeshare flight, operated by American Airlines.(AA 1404)
Daily 07:42 Denver (DEN) 08:50 Phoenix Sky Harbor (PHX) 4
AS 4042 Non-stop Airbus A320 (320) 2:08 Effective 2026-03-08 through 2026-04-06
Codeshare flight, operated by American Airlines.(AA 1404)
Daily 07:50 Denver (DEN) 10:10 Phoenix Sky Harbor (PHX) 4
AS 4042 Non-stop Boeing 737-800 (738) 2:20 Effective 2026-01-07 through 2026-02-11
Codeshare flight, operated by American Airlines.(AA 1404)
Thu 08:00 Denver (DEN) 10:03 Phoenix Sky Harbor (PHX) 4
AS 4042 Non-stop Boeing 737-800 (738) 2:03 Operates only on 2026-02-12
Codeshare flight, operated by American Airlines.(AA 1404)
Daily 08:18 Denver (DEN) 09:39 Phoenix Sky Harbor (PHX) 4
AS 4042 Non-stop Airbus A320 (320) 2:21 Effective 2026-04-07 through 2026-05-20
Codeshare flight, operated by American Airlines.(AA 1404)
Daily 08:27 Denver (DEN) 09:39 Phoenix Sky Harbor (PHX) 4
AS 4042 Non-stop Airbus A319 (319) 2:12 Effective 2026-09-09 through 2026-10-04
Codeshare flight, operated by American Airlines.(AA 1404)
Daily 08:39 Denver (DEN) 09:39 Phoenix Sky Harbor (PHX) 4
AS 4042 Non-stop Airbus A320 (320) 2:00 Effective from 2026-10-05
Codeshare flight, operated by American Airlines.(AA 1404)
Daily 08:44 Denver (DEN) 09:39 Phoenix Sky Harbor (PHX) 4
AS 4042 Non-stop Airbus A321neo (32Q) 1:55 Effective 2026-07-02 through 2026-08-04
Codeshare flight, operated by American Airlines.(AA 1404)
Daily 08:47 Denver (DEN) 09:39 Phoenix Sky Harbor (PHX) 4
AS 4042 Non-stop Airbus A321neo (32Q) 1:52 Effective 2026-05-21 through 2026-07-01
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
07:00
Denver (DEN)

09:19
Phoenix Sky Harbor (PHX) 4
Effective 2026-02-15 through 2026-03-01
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Codeshare flight, operated by American Airlines. (AA 1404)
Duration: 2:19, non-stop
Airbus A320 (320)
Direct Codeshare Flights:
Alaska Airlines AS4042
07:10
Denver (DEN)

09:10
Phoenix Sky Harbor (PHX) 4
Valid until 2026-01-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 1404)
Duration: 2:00, non-stop
Airbus A319 (319)
Direct Codeshare Flights:
Alaska Airlines AS4042
07:10
Denver (DEN)

08:02
Phoenix Sky Harbor (PHX) 4
Effective 2026-08-05 through 2026-09-08
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 1404)
Duration: 1:52, non-stop
Airbus A319 (319)
Direct Codeshare Flights:
Alaska Airlines AS4042
07:17
Denver (DEN)

09:16
Phoenix Sky Harbor (PHX) 4
Operates only on 2026-01-06
Mon
-
Tue
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by American Airlines. (AA 1404)
Duration: 1:59, non-stop
Airbus A319 (319)
Direct Codeshare Flights:
Alaska Airlines AS4042
07:42
Denver (DEN)

10:01
Phoenix Sky Harbor (PHX) 4
Effective 2026-02-13 through 2026-03-07
Mon
Tue
Wed
-
Thu
Fri
Sat
Sun
-
Codeshare flight, operated by American Airlines. (AA 1404)
Duration: 2:19, non-stop
Airbus A320 (320)
Direct Codeshare Flights:
Alaska Airlines AS4042
07:42
Denver (DEN)

08:50
Phoenix Sky Harbor (PHX) 4
Effective 2026-03-08 through 2026-04-06
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 1404)
Duration: 2:08, non-stop
Airbus A320 (320)
Direct Codeshare Flights:
Alaska Airlines AS4042
07:50
Denver (DEN)

10:10
Phoenix Sky Harbor (PHX) 4
Effective 2026-01-07 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)
Direct Codeshare Flights:
Alaska Airlines AS4042
08:00
Denver (DEN)

10:03
Phoenix Sky Harbor (PHX) 4
Operates only on 2026-02-12
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by American Airlines. (AA 1404)
Duration: 2:03, non-stop
Boeing 737-800 (738)
Direct Codeshare Flights:
Alaska Airlines AS4042
08:18
Denver (DEN)

09:39
Phoenix Sky Harbor (PHX) 4
Effective 2026-04-07 through 2026-05-20
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 1404)
Duration: 2:21, non-stop
Airbus A320 (320)
Direct Codeshare Flights:
Alaska Airlines AS4042
08:27
Denver (DEN)

09:39
Phoenix Sky Harbor (PHX) 4
Effective 2026-09-09 through 2026-10-04
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 1404)
Duration: 2:12, non-stop
Airbus A319 (319)
Direct Codeshare Flights:
Alaska Airlines AS4042
08:39
Denver (DEN)

09:39
Phoenix Sky Harbor (PHX) 4
Effective from 2026-10-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 1404)
Duration: 2:00, non-stop
Airbus A320 (320)
Direct Codeshare Flights:
Alaska Airlines AS4042
08:44
Denver (DEN)

09:39
Phoenix Sky Harbor (PHX) 4
Effective 2026-07-02 through 2026-08-04
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 1404)
Duration: 1:55, non-stop
Airbus A321neo (32Q)
Direct Codeshare Flights:
Alaska Airlines AS4042
08:47
Denver (DEN)

09:39
Phoenix Sky Harbor (PHX) 4
Effective 2026-05-21 through 2026-07-01
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 1404)
Duration: 1:52, non-stop
Airbus A321neo (32Q)
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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 2:21.
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