All airlines flying from Denver (DEN) to Phoenix Sky Harbor (PHX).

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FLIGHT SCHEDULE
Direct Flights:
Tue,Wed 17:00 Denver (DEN) 17:55 Phoenix Sky Harbor (PHX) 4 Southwest Airlines WN 121 Non-stop Boeing 737 MAX 8 (7M8) 1:55 Effective 2026-08-04 through 2026-09-30
Sun 18:35 Denver (DEN) 19:35 Phoenix Sky Harbor (PHX) 4 Southwest Airlines WN 121 Non-stop Boeing 737 MAX 8 (7M8) 2:00 Effective 2026-08-09 through 2026-09-27
Tue,Wed 19:20 Denver (DEN) 20:20 Phoenix Sky Harbor (PHX) 4 Southwest Airlines WN 127 Non-stop Boeing 737 MAX 8 (7M8) 2:00 Effective 2026-08-04 through 2026-09-30
Sat 19:30 Denver (DEN) 20:30 Phoenix Sky Harbor (PHX) 4 Southwest Airlines WN 127 Non-stop Boeing 737 MAX 8 (7M8) 2:00 Effective 2026-08-08 through 2026-09-26
Sun 20:05 Denver (DEN) 21:00 Phoenix Sky Harbor (PHX) 4 Southwest Airlines WN 127 Non-stop Boeing 737-700 (Scimitar Winglets) 1:55 Effective 2026-08-09 through 2026-09-27
Mon,Thu,Fri 07:10 Denver (DEN) 08:00 Phoenix Sky Harbor (PHX) 4 Southwest Airlines WN 165 Non-stop Boeing 737-700 (Scimitar Winglets) 1:50 Effective 2026-06-04 through 2026-08-03
Tue,Wed 10:15 Denver (DEN) 11:25 Phoenix Sky Harbor (PHX) 4 Southwest Airlines WN 225 Non-stop Boeing 737-700 (Scimitar Winglets) 2:10 Effective 2026-08-04 through 2026-09-30
Sat 10:25 Denver (DEN) 11:30 Phoenix Sky Harbor (PHX) 4 Southwest Airlines WN 225 Non-stop Boeing 737-800 (73H) 2:05 Effective 2026-08-08 through 2026-09-26
Sun 11:40 Denver (DEN) 12:40 Phoenix Sky Harbor (PHX) 4 Southwest Airlines WN 225 Non-stop Boeing 737-700 (Scimitar Winglets) 2:00 Effective 2026-08-09 through 2026-09-27
Mon-Fri,Sun 19:50 Denver (DEN) 21:54 Phoenix Sky Harbor (PHX) 3 United Airlines UA 263 Non-stop Boeing 737-900 (739) 2:04 Effective 2026-01-06 through 2026-02-11
Sat 19:50 Denver (DEN) 21:54 Phoenix Sky Harbor (PHX) 3 United Airlines UA 263 Non-stop Boeing 737-800 (738) 2:04 Effective 2026-01-10 through 2026-02-07
Mon,Thu,Fri 09:10 Denver (DEN) 10:05 Phoenix Sky Harbor (PHX) 4 Southwest Airlines WN 281 Non-stop Boeing 737-700 (Scimitar Winglets) 1:55 Effective 2026-08-06 through 2026-09-28
Thu,Fri 07:00 Denver (DEN) 09:10 Phoenix Sky Harbor (PHX) 4 Southwest Airlines WN 285 Non-stop Boeing 737-700 (Scimitar Winglets) 2:10 Effective 2026-03-05 through 2026-03-06
Mon,Thu,Fri,Sun 07:00 Denver (DEN) 08:10 Phoenix Sky Harbor (PHX) 4 Southwest Airlines WN 285 Non-stop Boeing 737-700 (Scimitar Winglets) 2:10 Effective 2026-03-08 through 2026-04-06
Sat 07:15 Denver (DEN) 09:15 Phoenix Sky Harbor (PHX) 4 Southwest Airlines WN 285 Non-stop Boeing 737-700 (Scimitar Winglets) 2:00 Operates only on 2026-03-07
Sat 07:15 Denver (DEN) 08:15 Phoenix Sky Harbor (PHX) 4 Southwest Airlines WN 285 Non-stop Boeing 737-700 (Scimitar Winglets) 2:00 Effective 2026-03-14 through 2026-04-04
Tue,Wed 07:35 Denver (DEN) 08:40 Phoenix Sky Harbor (PHX) 4 Southwest Airlines WN 285 Non-stop Boeing 737-700 (Scimitar Winglets) 2:05 Effective 2026-03-10 through 2026-04-01
Tue,Wed 09:40 Denver (DEN) 10:45 Phoenix Sky Harbor (PHX) 4 Southwest Airlines WN 310 Non-stop Boeing 737-800 (73H) 2:05 Effective 2026-03-10 through 2026-04-01
Mon,Thu,Fri 12:05 Denver (DEN) 13:05 Phoenix Sky Harbor (PHX) 4 Southwest Airlines WN 310 Non-stop Boeing 737 MAX 8 (7M8) 2:00 Effective 2026-08-06 through 2026-09-28
Mon,Thu,Fri 06:40 Denver (DEN) 07:35 Phoenix Sky Harbor (PHX) 4 Southwest Airlines WN 375 Non-stop Boeing 737-700 (Scimitar Winglets) 1:55 Effective 2026-08-06 through 2026-09-28
Sun 07:40 Denver (DEN) 08:40 Phoenix Sky Harbor (PHX) 4 Southwest Airlines WN 383 Non-stop Boeing 737 MAX 8 (7M8) 2:00 Operates only on 2026-05-24
Tue,Wed 07:20 Denver (DEN) 08:15 Phoenix Sky Harbor (PHX) 4 Southwest Airlines WN 399 Non-stop Boeing 737-700 (Scimitar Winglets) 1:55 Effective 2026-08-04 through 2026-09-30
Sun 08:00 Denver (DEN) 09:05 Phoenix Sky Harbor (PHX) 4 Southwest Airlines WN 399 Non-stop Boeing 737 MAX 8 (7M8) 2:05 Effective 2026-08-09 through 2026-09-27
Sat 18:20 Denver (DEN) 19:25 Phoenix Sky Harbor (PHX) 4 Southwest Airlines WN 399 Non-stop Boeing 737 MAX 8 (7M8) 2:05 Effective 2026-08-08 through 2026-09-26
Sun 12:55 Denver (DEN) 13:50 Phoenix Sky Harbor (PHX) 4 Southwest Airlines WN 416 Non-stop Boeing 737-800 (73H) 1:55 Operates only on 2026-05-24
Mon,Thu,Fri 08:30 Denver (DEN) 09:25 Phoenix Sky Harbor (PHX) 4 Southwest Airlines WN 431 Non-stop Boeing 737-800 (73H) 1:55 Effective 2026-06-04 through 2026-08-03
Sun 08:40 Denver (DEN) 09:35 Phoenix Sky Harbor (PHX) 4 Southwest Airlines WN 431 Non-stop Boeing 737 MAX 8 (7M8) 1:55 Effective 2026-06-07 through 2026-08-02
Tue,Wed 08:45 Denver (DEN) 09:40 Phoenix Sky Harbor (PHX) 4 Southwest Airlines WN 431 Non-stop Boeing 737-800 (73H) 1:55 Effective 2026-06-09 through 2026-07-29
Sat 09:00 Denver (DEN) 09:55 Phoenix Sky Harbor (PHX) 4 Southwest Airlines WN 431 Non-stop Boeing 737-700 (Scimitar Winglets) 1:55 Effective 2026-06-06 through 2026-08-01
Daily 19:37 Denver (DEN) 21:41 Phoenix Sky Harbor (PHX) 3 United Airlines UA 433 Non-stop Airbus A321neo (32Q) 2:04 Valid until 2026-01-04
Mon 19:37 Denver (DEN) 21:41 Phoenix Sky Harbor (PHX) 3 United Airlines UA 433 Non-stop Boeing 737-800 (738) 2:04 Operates only on 2026-01-05
Tue,Wed 06:15 Denver (DEN) 07:20 Phoenix Sky Harbor (PHX) 4 Southwest Airlines WN 468 Non-stop Boeing 737-800 (73H) 2:05 Effective 2026-03-10 through 2026-04-01
Tue,Wed 09:05 Denver (DEN) 10:00 Phoenix Sky Harbor (PHX) 4 Southwest Airlines WN 468 Non-stop Boeing 737-800 (73H) 1:55 Effective 2026-08-04 through 2026-09-30
Mon,Thu,Fri 13:10 Denver (DEN) 14:05 Phoenix Sky Harbor (PHX) 4 Southwest Airlines WN 468 Non-stop Boeing 737-700 (Scimitar Winglets) 1:55 Effective 2026-08-06 through 2026-09-28
Sun 16:35 Denver (DEN) 17:30 Phoenix Sky Harbor (PHX) 4 Southwest Airlines WN 468 Non-stop Boeing 737-800 (73H) 1:55 Effective 2026-08-09 through 2026-09-27
Mon,Tue,Thu,Fri,Sun 13:25 Denver (DEN) 15:23 Phoenix Sky Harbor (PHX) 3 United Airlines UA 631 Non-stop Boeing 737-900 (739) 1:58 Valid until 2026-01-05
Wed,Sat 13:25 Denver (DEN) 15:23 Phoenix Sky Harbor (PHX) 3 United Airlines UA 631 Non-stop Boeing 737-800 (738) 1:58 Valid until 2026-01-03
Tue,Wed 13:25 Denver (DEN) 15:25 Phoenix Sky Harbor (PHX) 3 United Airlines UA 631 Non-stop Boeing 737-900 (739) 2:00 Effective 2026-01-06 through 2026-02-03
Mon,Thu,Sun 13:25 Denver (DEN) 15:25 Phoenix Sky Harbor (PHX) 3 United Airlines UA 631 Non-stop Boeing 737 MAX 9 (7M9) 2:00 Effective 2026-01-08 through 2026-01-15
Fri,Sat 13:25 Denver (DEN) 15:25 Phoenix Sky Harbor (PHX) 3 United Airlines UA 631 Non-stop Boeing 737-800 (738) 2:00 Effective 2026-01-09 through 2026-01-10
Mon,Thu,Fri,Sun 13:25 Denver (DEN) 15:25 Phoenix Sky Harbor (PHX) 3 United Airlines UA 631 Non-stop Boeing 737 MAX 9 (7M9) 2:00 Effective 2026-01-16 through 2026-02-09
Sat 13:25 Denver (DEN) 15:25 Phoenix Sky Harbor (PHX) 3 United Airlines UA 631 Non-stop Boeing 737-800 (738) 2:00 Effective 2026-01-17 through 2026-02-07
Wed 13:25 Denver (DEN) 15:25 Phoenix Sky Harbor (PHX) 3 United Airlines UA 631 Non-stop Boeing 737-800 (738) 2:00 Operates only on 2026-02-04
Tue,Wed 13:25 Denver (DEN) 15:25 Phoenix Sky Harbor (PHX) 3 United Airlines UA 631 Non-stop Boeing 737-900 (739) 2:00 Effective 2026-02-10 through 2026-02-11
Daily 13:25 Denver (DEN) 15:29 Phoenix Sky Harbor (PHX) 3 United Airlines UA 631 Non-stop Boeing 737-900 (739) 2:04 Effective 2026-02-12 through 2026-03-07
Daily 13:25 Denver (DEN) 14:29 Phoenix Sky Harbor (PHX) 3 United Airlines UA 631 Non-stop Boeing 737-900 (739) 2:04 Effective 2026-03-08 through 2026-03-28
Daily 13:25 Denver (DEN) 14:28 Phoenix Sky Harbor (PHX) 3 United Airlines UA 631 Non-stop Boeing 737 MAX 8 (7M8) 2:03 Effective 2026-03-29 through 2026-05-20
Daily 13:25 Denver (DEN) 14:25 Phoenix Sky Harbor (PHX) 3 United Airlines UA 631 Non-stop Boeing 737-800 (738) 2:00 Effective from 2026-08-18
Mon,Thu,Fri 08:10 Denver (DEN) 09:15 Phoenix Sky Harbor (PHX) 4 Southwest Airlines WN 644 Non-stop Boeing 737-700 (Scimitar Winglets) 2:05 Effective 2026-08-06 through 2026-09-28
Wed,Thu 10:00 Denver (DEN) 12:00 Phoenix Sky Harbor (PHX) 4 Southwest Airlines WN 660 Non-stop Boeing 737-700 (73W) 2:00 Valid until 2026-01-01

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1 2 3 4 ... 20 21 22

A domestic route 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 1:50 and 2:21.

Return (PHX-DEN) flights

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All airlines flying from Denver (DEN) to Phoenix Sky Harbor (PHX).

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FLIGHT SCHEDULE

Direct Flights:

Southwest Airlines WN121

17:00

Denver (DEN)

17:55

Phoenix Sky Harbor (PHX) 4

Effective 2026-08-04 through 2026-09-30

Mon
-

Tue

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 1:55, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

Southwest Airlines WN121

18:35

Denver (DEN)

19:35

Phoenix Sky Harbor (PHX) 4

Effective 2026-08-09 through 2026-09-27

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 2:00, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

Southwest Airlines WN127

19:20

Denver (DEN)

20:20

Phoenix Sky Harbor (PHX) 4

Effective 2026-08-04 through 2026-09-30

Mon
-

Tue

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 2:00, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

Southwest Airlines WN127

19:30

Denver (DEN)

20:30

Phoenix Sky Harbor (PHX) 4

Effective 2026-08-08 through 2026-09-26

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 2:00, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

Southwest Airlines WN127

20:05

Denver (DEN)

21:00

Phoenix Sky Harbor (PHX) 4

Effective 2026-08-09 through 2026-09-27

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 1:55, non-stop
Boeing 737-700 (Scimitar Winglets)

Direct Flights:

Southwest Airlines WN165

07:10

Denver (DEN)

08:00

Phoenix Sky Harbor (PHX) 4

Effective 2026-06-04 through 2026-08-03

Mon

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun
-

Duration: 1:50, non-stop
Boeing 737-700 (Scimitar Winglets)

Direct Flights:

Southwest Airlines WN225

10:15

Denver (DEN)

11:25

Phoenix Sky Harbor (PHX) 4

Effective 2026-08-04 through 2026-09-30

Mon
-

Tue

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 2:10, non-stop
Boeing 737-700 (Scimitar Winglets)

Direct Flights:

Southwest Airlines WN225

10:25

Denver (DEN)

11:30

Phoenix Sky Harbor (PHX) 4

Effective 2026-08-08 through 2026-09-26

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 2:05, non-stop
Boeing 737-800 (73H)

Direct Flights:

Southwest Airlines WN225

11:40

Denver (DEN)

12:40

Phoenix Sky Harbor (PHX) 4

Effective 2026-08-09 through 2026-09-27

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 2:00, non-stop
Boeing 737-700 (Scimitar Winglets)

Direct Flights:

United Airlines UA263

19:50

Denver (DEN)

21:54

Phoenix Sky Harbor (PHX) 3

Effective 2026-01-06 through 2026-02-11

Mon

Tue

Wed

Thu

Fri

Sat
-

Sun

Duration: 2:04, non-stop
Boeing 737-900 (739)

Direct Flights:

United Airlines UA263

19:50

Denver (DEN)

21:54

Phoenix Sky Harbor (PHX) 3

Effective 2026-01-10 through 2026-02-07

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 2:04, non-stop
Boeing 737-800 (738)

Direct Flights:

Southwest Airlines WN281

09:10

Denver (DEN)

10:05

Phoenix Sky Harbor (PHX) 4

Effective 2026-08-06 through 2026-09-28

Mon

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun
-

Duration: 1:55, non-stop
Boeing 737-700 (Scimitar Winglets)

Direct Flights:

Southwest Airlines WN285

07:00

Denver (DEN)

09:10

Phoenix Sky Harbor (PHX) 4

Effective 2026-03-05 through 2026-03-06

Mon
-

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun
-

Duration: 2:10, non-stop
Boeing 737-700 (Scimitar Winglets)

Direct Flights:

Southwest Airlines WN285

07:00

Denver (DEN)

08:10

Phoenix Sky Harbor (PHX) 4

Effective 2026-03-08 through 2026-04-06

Mon

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun

Duration: 2:10, non-stop
Boeing 737-700 (Scimitar Winglets)

Direct Flights:

Southwest Airlines WN285

07:15

Denver (DEN)

09:15

Phoenix Sky Harbor (PHX) 4

Operates only on 2026-03-07

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 2:00, non-stop
Boeing 737-700 (Scimitar Winglets)

Direct Flights:

Southwest Airlines WN285

07:15

Denver (DEN)

08:15

Phoenix Sky Harbor (PHX) 4

Effective 2026-03-14 through 2026-04-04

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 2:00, non-stop
Boeing 737-700 (Scimitar Winglets)

Direct Flights:

Southwest Airlines WN285

07:35

Denver (DEN)

08:40

Phoenix Sky Harbor (PHX) 4

Effective 2026-03-10 through 2026-04-01

Mon
-

Tue

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 2:05, non-stop
Boeing 737-700 (Scimitar Winglets)

Direct Flights:

Southwest Airlines WN310

09:40

Denver (DEN)

10:45

Phoenix Sky Harbor (PHX) 4

Effective 2026-03-10 through 2026-04-01

Mon
-

Tue

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 2:05, non-stop
Boeing 737-800 (73H)

Direct Flights:

Southwest Airlines WN310

12:05

Denver (DEN)

13:05

Phoenix Sky Harbor (PHX) 4

Effective 2026-08-06 through 2026-09-28

Mon

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun
-

Duration: 2:00, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

Southwest Airlines WN375

06:40

Denver (DEN)

07:35

Phoenix Sky Harbor (PHX) 4

Effective 2026-08-06 through 2026-09-28

Mon

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun
-

Duration: 1:55, non-stop
Boeing 737-700 (Scimitar Winglets)

Direct Flights:

Southwest Airlines WN383

07:40

Denver (DEN)

08:40

Phoenix Sky Harbor (PHX) 4

Operates only on 2026-05-24

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 2:00, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

Southwest Airlines WN399

07:20

Denver (DEN)

08:15

Phoenix Sky Harbor (PHX) 4

Effective 2026-08-04 through 2026-09-30

Mon
-

Tue

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 1:55, non-stop
Boeing 737-700 (Scimitar Winglets)

Direct Flights:

Southwest Airlines WN399

08:00

Denver (DEN)

09:05

Phoenix Sky Harbor (PHX) 4

Effective 2026-08-09 through 2026-09-27

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 2:05, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

Southwest Airlines WN399

18:20

Denver (DEN)

19:25

Phoenix Sky Harbor (PHX) 4

Effective 2026-08-08 through 2026-09-26

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 2:05, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

Southwest Airlines WN416

12:55

Denver (DEN)

13:50

Phoenix Sky Harbor (PHX) 4

Operates only on 2026-05-24

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 1:55, non-stop
Boeing 737-800 (73H)

Direct Flights:

Southwest Airlines WN431

08:30

Denver (DEN)

09:25

Phoenix Sky Harbor (PHX) 4

Effective 2026-06-04 through 2026-08-03

Mon

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun
-

Duration: 1:55, non-stop
Boeing 737-800 (73H)

Direct Flights:

Southwest Airlines WN431

08:40

Denver (DEN)

09:35

Phoenix Sky Harbor (PHX) 4

Effective 2026-06-07 through 2026-08-02

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 1:55, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

Southwest Airlines WN431

08:45

Denver (DEN)

09:40

Phoenix Sky Harbor (PHX) 4

Effective 2026-06-09 through 2026-07-29

Mon
-

Tue

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 1:55, non-stop
Boeing 737-800 (73H)

Direct Flights:

Southwest Airlines WN431

09:00

Denver (DEN)

09:55

Phoenix Sky Harbor (PHX) 4

Effective 2026-06-06 through 2026-08-01

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 1:55, non-stop
Boeing 737-700 (Scimitar Winglets)

Direct Flights:

United Airlines UA433

19:37

Denver (DEN)

21:41

Phoenix Sky Harbor (PHX) 3

Valid until 2026-01-04

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 2:04, non-stop
Airbus A321neo (32Q)

Direct Flights:

United Airlines UA433

19:37

Denver (DEN)

21:41

Phoenix Sky Harbor (PHX) 3

Operates only on 2026-01-05

Mon

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 2:04, non-stop
Boeing 737-800 (738)

Direct Flights:

Southwest Airlines WN468

06:15

Denver (DEN)

07:20

Phoenix Sky Harbor (PHX) 4

Effective 2026-03-10 through 2026-04-01

Mon
-

Tue

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 2:05, non-stop
Boeing 737-800 (73H)

Direct Flights:

Southwest Airlines WN468

09:05

Denver (DEN)

10:00

Phoenix Sky Harbor (PHX) 4

Effective 2026-08-04 through 2026-09-30

Mon
-

Tue

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 1:55, non-stop
Boeing 737-800 (73H)

Direct Flights:

Southwest Airlines WN468

13:10

Denver (DEN)

14:05

Phoenix Sky Harbor (PHX) 4

Effective 2026-08-06 through 2026-09-28

Mon

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun
-

Duration: 1:55, non-stop
Boeing 737-700 (Scimitar Winglets)

Direct Flights:

Southwest Airlines WN468

16:35

Denver (DEN)

17:30

Phoenix Sky Harbor (PHX) 4

Effective 2026-08-09 through 2026-09-27

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 1:55, non-stop
Boeing 737-800 (73H)

Direct Flights:

United Airlines UA631

13:25

Denver (DEN)

15:23

Phoenix Sky Harbor (PHX) 3

Valid until 2026-01-05

Mon

Tue

Wed
-

Thu

Fri

Sat
-

Sun

Duration: 1:58, non-stop
Boeing 737-900 (739)

Direct Flights:

United Airlines UA631

13:25

Denver (DEN)

15:23

Phoenix Sky Harbor (PHX) 3

Valid until 2026-01-03

Mon
-

Tue
-

Wed

Thu
-

Fri
-

Sat

Sun
-

Duration: 1:58, non-stop
Boeing 737-800 (738)

Direct Flights:

United Airlines UA631

13:25

Denver (DEN)

15:25

Phoenix Sky Harbor (PHX) 3

Effective 2026-01-06 through 2026-02-03

Mon
-

Tue

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 2:00, non-stop
Boeing 737-900 (739)

Direct Flights:

United Airlines UA631

13:25

Denver (DEN)

15:25

Phoenix Sky Harbor (PHX) 3

Effective 2026-01-08 through 2026-01-15

Mon

Tue
-

Wed
-

Thu

Fri
-

Sat
-

Sun

Duration: 2:00, non-stop
Boeing 737 MAX 9 (7M9)

Direct Flights:

United Airlines UA631

13:25

Denver (DEN)

15:25

Phoenix Sky Harbor (PHX) 3

Effective 2026-01-09 through 2026-01-10

Mon
-

Tue
-

Wed
-

Thu
-

Fri

Sat

Sun
-

Duration: 2:00, non-stop
Boeing 737-800 (738)

Direct Flights:

United Airlines UA631

13:25

Denver (DEN)

15:25

Phoenix Sky Harbor (PHX) 3

Effective 2026-01-16 through 2026-02-09

Mon

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun

Duration: 2:00, non-stop
Boeing 737 MAX 9 (7M9)

Direct Flights:

United Airlines UA631

13:25

Denver (DEN)

15:25

Phoenix Sky Harbor (PHX) 3

Effective 2026-01-17 through 2026-02-07

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 2:00, non-stop
Boeing 737-800 (738)

Direct Flights:

United Airlines UA631

13:25

Denver (DEN)

15:25

Phoenix Sky Harbor (PHX) 3

Operates only on 2026-02-04

Mon
-

Tue
-

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 2:00, non-stop
Boeing 737-800 (738)

Direct Flights:

United Airlines UA631

13:25

Denver (DEN)

15:25

Phoenix Sky Harbor (PHX) 3

Effective 2026-02-10 through 2026-02-11

Mon
-

Tue

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 2:00, non-stop
Boeing 737-900 (739)

Direct Flights:

United Airlines UA631

13:25

Denver (DEN)

15:29

Phoenix Sky Harbor (PHX) 3

Effective 2026-02-12 through 2026-03-07

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 2:04, non-stop
Boeing 737-900 (739)

Direct Flights:

United Airlines UA631

13:25

Denver (DEN)

14:29

Phoenix Sky Harbor (PHX) 3

Effective 2026-03-08 through 2026-03-28

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 2:04, non-stop
Boeing 737-900 (739)

Direct Flights:

United Airlines UA631

13:25

Denver (DEN)

14:28

Phoenix Sky Harbor (PHX) 3

Effective 2026-03-29 through 2026-05-20

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 2:03, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

United Airlines UA631

13:25

Denver (DEN)

14:25

Phoenix Sky Harbor (PHX) 3

Effective from 2026-08-18

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 2:00, non-stop
Boeing 737-800 (738)

Direct Flights:

Southwest Airlines WN644

08:10

Denver (DEN)

09:15

Phoenix Sky Harbor (PHX) 4

Effective 2026-08-06 through 2026-09-28

Mon

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun
-

Duration: 2:05, non-stop
Boeing 737-700 (Scimitar Winglets)

Direct Flights:

Southwest Airlines WN660

10:00

Denver (DEN)

12:00

Phoenix Sky Harbor (PHX) 4

Valid until 2026-01-01

Mon
-

Tue
-

Wed

Thu

Fri
-

Sat
-

Sun
-

Duration: 2:00, non-stop
Boeing 737-700 (73W)

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A domestic route 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 1:50 and 2:21.

Return (PHX-DEN) flights

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