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

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FLIGHT SCHEDULE
Direct Flights:
Thu,Fri 18:55 Phoenix Sky Harbor (PHX) 4 20:45 Denver (DEN) Southwest Airlines WN 3269 Non-stop Boeing 737 MAX 8 (7M8) 1:50 Effective 2026-03-05 through 2026-03-06
Tue,Wed 19:00 Phoenix Sky Harbor (PHX) 4 21:45 Denver (DEN) Southwest Airlines WN 3269 Non-stop Boeing 737-800 (73H) 1:45 Effective 2026-03-10 through 2026-04-01
Sat 19:05 Phoenix Sky Harbor (PHX) 4 21:50 Denver (DEN) Southwest Airlines WN 3269 Non-stop Boeing 737-800 (73H) 1:45 Effective 2026-03-14 through 2026-04-04
Sat 20:05 Phoenix Sky Harbor (PHX) 4 21:50 Denver (DEN) Southwest Airlines WN 3269 Non-stop Boeing 737-800 (73H) 1:45 Operates only on 2026-03-07
Sun 12:15 Phoenix Sky Harbor (PHX) 4 15:00 Denver (DEN) Southwest Airlines WN 3300 Non-stop Boeing 737 MAX 8 (7M8) 1:45 Effective 2026-08-09 through 2026-09-27
Mon,Thu,Fri 14:20 Phoenix Sky Harbor (PHX) 4 17:05 Denver (DEN) Southwest Airlines WN 3300 Non-stop Boeing 737-800 (73H) 1:45 Effective 2026-08-06 through 2026-09-28
Mon,Wed-Fri,Sun 16:18 Phoenix Sky Harbor (PHX) 4 18:13 Denver (DEN) American Airlines AA 3366 Non-stop Embraer EMB 175 (E75) 1:55 Effective 2026-02-12 through 2026-03-06
Daily 15:19 Phoenix Sky Harbor (PHX) 4 18:17 Denver (DEN) American Airlines AA 3368 Non-stop Embraer EMB 175 (E75) 1:58 Effective 2026-03-08 through 2026-04-06
Mon,Tue,Thu-Sun 16:20 Phoenix Sky Harbor (PHX) 4 18:14 Denver (DEN) American Airlines AA 3376 Non-stop Embraer EMB 175 (E75) 1:54 Valid until 2026-01-05
Sun 16:20 Phoenix Sky Harbor (PHX) 4 19:05 Denver (DEN) Southwest Airlines WN 3471 Non-stop Boeing 737-700 (Scimitar Winglets) 1:45 Effective 2026-04-12 through 2026-05-17
Sun 16:20 Phoenix Sky Harbor (PHX) 4 19:05 Denver (DEN) Southwest Airlines WN 3471 Non-stop Boeing 737-700 (Scimitar Winglets) 1:45 Operates only on 2026-05-31
Daily 15:15 Phoenix Sky Harbor (PHX) 4 18:03 Denver (DEN) American Airlines AA 3492 Non-stop Embraer EMB 175 (E75) 1:48 Effective 2026-05-21 through 2026-07-01
Daily 15:15 Phoenix Sky Harbor (PHX) 4 18:01 Denver (DEN) American Airlines AA 3560 Non-stop Embraer EMB 175 (E75) 1:46 Effective 2026-04-07 through 2026-05-20
Mon 10:25 Phoenix Sky Harbor (PHX) 4 12:15 Denver (DEN) Southwest Airlines WN 3585 Non-stop Boeing 737-800 (73H) 1:50 Operates only on 2026-01-05
Mon-Fri 14:10 Phoenix Sky Harbor (PHX) 4 15:55 Denver (DEN) Southwest Airlines WN 3705 Non-stop Boeing 737-700 (Scimitar Winglets) 1:45 Effective 2026-01-06 through 2026-01-14
Tue-Fri,Sun 14:10 Phoenix Sky Harbor (PHX) 4 15:55 Denver (DEN) Southwest Airlines WN 3705 Non-stop Boeing 737-700 (Scimitar Winglets) 1:45 Effective 2026-01-18 through 2026-01-23
Mon-Fri 14:10 Phoenix Sky Harbor (PHX) 4 15:55 Denver (DEN) Southwest Airlines WN 3705 Non-stop Boeing 737-700 (Scimitar Winglets) 1:45 Effective 2026-01-26 through 2026-02-04
Tue,Wed,Sun 14:10 Phoenix Sky Harbor (PHX) 4 15:55 Denver (DEN) Southwest Airlines WN 3705 Non-stop Boeing 737-700 (Scimitar Winglets) 1:45 Effective 2026-02-08 through 2026-02-11
Tue,Wed 14:10 Phoenix Sky Harbor (PHX) 4 15:55 Denver (DEN) Southwest Airlines WN 3705 Non-stop Boeing 737-700 (Scimitar Winglets) 1:45 Effective 2026-02-18 through 2026-03-04
Mon-Fri 06:10 Phoenix Sky Harbor (PHX) 4 09:00 Denver (DEN) Southwest Airlines WN 3777 Non-stop Boeing 737 MAX 8 (7M8) 1:50 Effective 2026-04-07 through 2026-06-03
Sun 07:25 Phoenix Sky Harbor (PHX) 4 10:10 Denver (DEN) Southwest Airlines WN 3779 Non-stop Boeing 737-800 (73H) 1:45 Operates only on 2026-05-24
Sat 07:35 Phoenix Sky Harbor (PHX) 4 10:25 Denver (DEN) Southwest Airlines WN 3779 Non-stop Boeing 737-700 (Scimitar Winglets) 1:50 Effective 2026-04-11 through 2026-05-30
Sun 07:45 Phoenix Sky Harbor (PHX) 4 10:40 Denver (DEN) Southwest Airlines WN 3779 Non-stop Boeing 737 MAX 8 (7M8) 1:55 Effective 2026-04-12 through 2026-05-17
Sun 07:45 Phoenix Sky Harbor (PHX) 4 10:40 Denver (DEN) Southwest Airlines WN 3779 Non-stop Boeing 737 MAX 8 (7M8) 1:55 Operates only on 2026-05-31
Mon,Thu,Fri 08:05 Phoenix Sky Harbor (PHX) 4 10:50 Denver (DEN) Southwest Airlines WN 3779 Non-stop Boeing 737 MAX 8 (7M8) 1:45 Effective 2026-04-09 through 2026-06-01
Tue,Wed 08:10 Phoenix Sky Harbor (PHX) 4 10:55 Denver (DEN) Southwest Airlines WN 3779 Non-stop Boeing 737 MAX 8 (7M8) 1:45 Effective 2026-04-07 through 2026-06-03
Sun 08:50 Phoenix Sky Harbor (PHX) 4 11:35 Denver (DEN) Southwest Airlines WN 3780 Non-stop Boeing 737-800 (73H) 1:45 Effective 2026-04-12 through 2026-05-17
Sun 08:50 Phoenix Sky Harbor (PHX) 4 11:35 Denver (DEN) Southwest Airlines WN 3780 Non-stop Boeing 737-800 (73H) 1:45 Operates only on 2026-05-31
Sat 09:15 Phoenix Sky Harbor (PHX) 4 12:00 Denver (DEN) Southwest Airlines WN 3780 Non-stop Boeing 737 MAX 8 (7M8) 1:45 Effective 2026-04-11 through 2026-05-30
Mon,Thu,Fri 09:20 Phoenix Sky Harbor (PHX) 4 12:05 Denver (DEN) Southwest Airlines WN 3780 Non-stop Boeing 737 MAX 8 (7M8) 1:45 Effective 2026-04-09 through 2026-06-01
Tue,Wed 09:35 Phoenix Sky Harbor (PHX) 4 12:20 Denver (DEN) Southwest Airlines WN 3780 Non-stop Boeing 737 MAX 8 (7M8) 1:45 Effective 2026-04-07 through 2026-06-03
Sun 09:35 Phoenix Sky Harbor (PHX) 4 12:20 Denver (DEN) Southwest Airlines WN 3780 Non-stop Boeing 737-800 (73H) 1:45 Operates only on 2026-05-24
Sun 10:35 Phoenix Sky Harbor (PHX) 4 13:20 Denver (DEN) Southwest Airlines WN 3782 Non-stop Boeing 737 MAX 8 (7M8) 1:45 Operates only on 2026-05-24
Tue,Wed 10:55 Phoenix Sky Harbor (PHX) 4 13:40 Denver (DEN) Southwest Airlines WN 3782 Non-stop Boeing 737 MAX 8 (7M8) 1:45 Effective 2026-04-07 through 2026-06-03
Sun 11:00 Phoenix Sky Harbor (PHX) 4 13:45 Denver (DEN) Southwest Airlines WN 3782 Non-stop Boeing 737-700 (Scimitar Winglets) 1:45 Effective 2026-04-12 through 2026-05-17
Sun 11:00 Phoenix Sky Harbor (PHX) 4 13:45 Denver (DEN) Southwest Airlines WN 3782 Non-stop Boeing 737-700 (Scimitar Winglets) 1:45 Operates only on 2026-05-31
Mon,Thu,Fri 11:05 Phoenix Sky Harbor (PHX) 4 13:50 Denver (DEN) Southwest Airlines WN 3782 Non-stop Boeing 737 MAX 8 (7M8) 1:45 Effective 2026-04-09 through 2026-06-01
Sat 11:10 Phoenix Sky Harbor (PHX) 4 13:55 Denver (DEN) Southwest Airlines WN 3782 Non-stop Boeing 737-800 (73H) 1:45 Effective 2026-04-11 through 2026-05-30
Sun 14:40 Phoenix Sky Harbor (PHX) 4 17:25 Denver (DEN) Southwest Airlines WN 3786 Non-stop Boeing 737 MAX 8 (7M8) 1:45 Operates only on 2026-05-24
Sat 15:20 Phoenix Sky Harbor (PHX) 4 18:05 Denver (DEN) Southwest Airlines WN 3786 Non-stop Boeing 737-700 (Scimitar Winglets) 1:45 Effective 2026-04-11 through 2026-05-30
Mon,Thu,Fri 15:25 Phoenix Sky Harbor (PHX) 4 18:10 Denver (DEN) Southwest Airlines WN 3786 Non-stop Boeing 737 MAX 8 (7M8) 1:45 Effective 2026-04-09 through 2026-06-01
Sun 15:30 Phoenix Sky Harbor (PHX) 4 18:15 Denver (DEN) Southwest Airlines WN 3786 Non-stop Boeing 737 MAX 8 (7M8) 1:45 Effective 2026-04-12 through 2026-05-17
Sun 15:30 Phoenix Sky Harbor (PHX) 4 18:15 Denver (DEN) Southwest Airlines WN 3786 Non-stop Boeing 737 MAX 8 (7M8) 1:45 Operates only on 2026-05-31
Tue,Wed 15:35 Phoenix Sky Harbor (PHX) 4 18:20 Denver (DEN) Southwest Airlines WN 3786 Non-stop Boeing 737-800 (73H) 1:45 Effective 2026-04-07 through 2026-06-03
Tue,Wed 21:20 Phoenix Sky Harbor (PHX) 4 00:05 Denver (DEN) Southwest Airlines WN 3788 Non-stop Boeing 737 MAX 8 (7M8) 1:45 Effective 2026-04-07 through 2026-06-03 The flight arrives 1 day after departure.
Mon,Thu,Fri 21:40 Phoenix Sky Harbor (PHX) 4 00:25 Denver (DEN) Southwest Airlines WN 3788 Non-stop Boeing 737-800 (73H) 1:45 Effective 2026-04-09 through 2026-06-01 The flight arrives 1 day after departure.
Sun 21:55 Phoenix Sky Harbor (PHX) 4 00:40 Denver (DEN) Southwest Airlines WN 3788 Non-stop Boeing 737-800 (73H) 1:45 Effective 2026-04-12 through 2026-05-17 The flight arrives 1 day after departure.
Sun 21:55 Phoenix Sky Harbor (PHX) 4 00:40 Denver (DEN) Southwest Airlines WN 3788 Non-stop Boeing 737-800 (73H) 1:45 Operates only on 2026-05-31 The flight arrives 1 day after departure.
Sat 10:05 Phoenix Sky Harbor (PHX) 4 12:50 Denver (DEN) Southwest Airlines WN 3936 Non-stop Boeing 737-800 (73H) 1:45 Effective 2026-04-11 through 2026-05-30
Sat 17:30 Phoenix Sky Harbor (PHX) 4 19:15 Denver (DEN) Southwest Airlines WN 3942 Non-stop Boeing 737-700 (Scimitar Winglets) 1:45 Operates only on 2026-01-03

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A domestic route departing from the Phoenix Sky Harbor airport (PHX) and arriving at Denver airport (DEN).
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 1:44 and 2:02.

Return (DEN-PHX) flights

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

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FLIGHT SCHEDULE

Direct Flights:

Southwest Airlines WN3269

18:55

Phoenix Sky Harbor (PHX) 4

20:45

Denver (DEN)

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

Mon
-

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun
-

Duration: 1:50, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

Southwest Airlines WN3269

19:00

Phoenix Sky Harbor (PHX) 4

21:45

Denver (DEN)

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

Mon
-

Tue

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 1:45, non-stop
Boeing 737-800 (73H)

Direct Flights:

Southwest Airlines WN3269

19:05

Phoenix Sky Harbor (PHX) 4

21:50

Denver (DEN)

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

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 1:45, non-stop
Boeing 737-800 (73H)

Direct Flights:

Southwest Airlines WN3269

20:05

Phoenix Sky Harbor (PHX) 4

21:50

Denver (DEN)

Operates only on 2026-03-07

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 1:45, non-stop
Boeing 737-800 (73H)

Direct Flights:

Southwest Airlines WN3300

12:15

Phoenix Sky Harbor (PHX) 4

15:00

Denver (DEN)

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

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 1:45, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

Southwest Airlines WN3300

14:20

Phoenix Sky Harbor (PHX) 4

17:05

Denver (DEN)

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

Mon

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun
-

Duration: 1:45, non-stop
Boeing 737-800 (73H)

Direct Flights:

American Airlines AA3366

16:18

Phoenix Sky Harbor (PHX) 4

18:13

Denver (DEN)

Effective 2026-02-12 through 2026-03-06

Mon

Tue
-

Wed

Thu

Fri

Sat
-

Sun

Duration: 1:55, non-stop
Embraer EMB 175 (E75)

Direct Flights:

American Airlines AA3368

15:19

Phoenix Sky Harbor (PHX) 4

18:17

Denver (DEN)

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

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 1:58, non-stop
Embraer EMB 175 (E75)

Direct Flights:

American Airlines AA3376

16:20

Phoenix Sky Harbor (PHX) 4

18:14

Denver (DEN)

Valid until 2026-01-05

Mon

Tue

Wed
-

Thu

Fri

Sat

Sun

Duration: 1:54, non-stop
Embraer EMB 175 (E75)

Direct Flights:

Southwest Airlines WN3471

16:20

Phoenix Sky Harbor (PHX) 4

19:05

Denver (DEN)

Effective 2026-04-12 through 2026-05-17

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 1:45, non-stop
Boeing 737-700 (Scimitar Winglets)

Direct Flights:

Southwest Airlines WN3471

16:20

Phoenix Sky Harbor (PHX) 4

19:05

Denver (DEN)

Operates only on 2026-05-31

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 1:45, non-stop
Boeing 737-700 (Scimitar Winglets)

Direct Flights:

American Airlines AA3492

15:15

Phoenix Sky Harbor (PHX) 4

18:03

Denver (DEN)

Effective 2026-05-21 through 2026-07-01

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 1:48, non-stop
Embraer EMB 175 (E75)

Direct Flights:

American Airlines AA3560

15:15

Phoenix Sky Harbor (PHX) 4

18:01

Denver (DEN)

Effective 2026-04-07 through 2026-05-20

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 1:46, non-stop
Embraer EMB 175 (E75)

Direct Flights:

Southwest Airlines WN3585

10:25

Phoenix Sky Harbor (PHX) 4

12:15

Denver (DEN)

Operates only on 2026-01-05

Mon

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 1:50, non-stop
Boeing 737-800 (73H)

Direct Flights:

Southwest Airlines WN3705

14:10

Phoenix Sky Harbor (PHX) 4

15:55

Denver (DEN)

Effective 2026-01-06 through 2026-01-14

Mon

Tue

Wed

Thu

Fri

Sat
-

Sun
-

Duration: 1:45, non-stop
Boeing 737-700 (Scimitar Winglets)

Direct Flights:

Southwest Airlines WN3705

14:10

Phoenix Sky Harbor (PHX) 4

15:55

Denver (DEN)

Effective 2026-01-18 through 2026-01-23

Mon
-

Tue

Wed

Thu

Fri

Sat
-

Sun

Duration: 1:45, non-stop
Boeing 737-700 (Scimitar Winglets)

Direct Flights:

Southwest Airlines WN3705

14:10

Phoenix Sky Harbor (PHX) 4

15:55

Denver (DEN)

Effective 2026-01-26 through 2026-02-04

Mon

Tue

Wed

Thu

Fri

Sat
-

Sun
-

Duration: 1:45, non-stop
Boeing 737-700 (Scimitar Winglets)

Direct Flights:

Southwest Airlines WN3705

14:10

Phoenix Sky Harbor (PHX) 4

15:55

Denver (DEN)

Effective 2026-02-08 through 2026-02-11

Mon
-

Tue

Wed

Thu
-

Fri
-

Sat
-

Sun

Duration: 1:45, non-stop
Boeing 737-700 (Scimitar Winglets)

Direct Flights:

Southwest Airlines WN3705

14:10

Phoenix Sky Harbor (PHX) 4

15:55

Denver (DEN)

Effective 2026-02-18 through 2026-03-04

Mon
-

Tue

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 1:45, non-stop
Boeing 737-700 (Scimitar Winglets)

Direct Flights:

Southwest Airlines WN3777

06:10

Phoenix Sky Harbor (PHX) 4

09:00

Denver (DEN)

Effective 2026-04-07 through 2026-06-03

Mon

Tue

Wed

Thu

Fri

Sat
-

Sun
-

Duration: 1:50, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

Southwest Airlines WN3779

07:25

Phoenix Sky Harbor (PHX) 4

10:10

Denver (DEN)

Operates only on 2026-05-24

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 1:45, non-stop
Boeing 737-800 (73H)

Direct Flights:

Southwest Airlines WN3779

07:35

Phoenix Sky Harbor (PHX) 4

10:25

Denver (DEN)

Effective 2026-04-11 through 2026-05-30

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

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

Direct Flights:

Southwest Airlines WN3779

07:45

Phoenix Sky Harbor (PHX) 4

10:40

Denver (DEN)

Effective 2026-04-12 through 2026-05-17

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

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

Direct Flights:

Southwest Airlines WN3779

07:45

Phoenix Sky Harbor (PHX) 4

10:40

Denver (DEN)

Operates only on 2026-05-31

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

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

Direct Flights:

Southwest Airlines WN3779

08:05

Phoenix Sky Harbor (PHX) 4

10:50

Denver (DEN)

Effective 2026-04-09 through 2026-06-01

Mon

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun
-

Duration: 1:45, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

Southwest Airlines WN3779

08:10

Phoenix Sky Harbor (PHX) 4

10:55

Denver (DEN)

Effective 2026-04-07 through 2026-06-03

Mon
-

Tue

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 1:45, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

Southwest Airlines WN3780

08:50

Phoenix Sky Harbor (PHX) 4

11:35

Denver (DEN)

Effective 2026-04-12 through 2026-05-17

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 1:45, non-stop
Boeing 737-800 (73H)

Direct Flights:

Southwest Airlines WN3780

08:50

Phoenix Sky Harbor (PHX) 4

11:35

Denver (DEN)

Operates only on 2026-05-31

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 1:45, non-stop
Boeing 737-800 (73H)

Direct Flights:

Southwest Airlines WN3780

09:15

Phoenix Sky Harbor (PHX) 4

12:00

Denver (DEN)

Effective 2026-04-11 through 2026-05-30

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 1:45, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

Southwest Airlines WN3780

09:20

Phoenix Sky Harbor (PHX) 4

12:05

Denver (DEN)

Effective 2026-04-09 through 2026-06-01

Mon

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun
-

Duration: 1:45, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

Southwest Airlines WN3780

09:35

Phoenix Sky Harbor (PHX) 4

12:20

Denver (DEN)

Effective 2026-04-07 through 2026-06-03

Mon
-

Tue

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 1:45, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

Southwest Airlines WN3780

09:35

Phoenix Sky Harbor (PHX) 4

12:20

Denver (DEN)

Operates only on 2026-05-24

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 1:45, non-stop
Boeing 737-800 (73H)

Direct Flights:

Southwest Airlines WN3782

10:35

Phoenix Sky Harbor (PHX) 4

13:20

Denver (DEN)

Operates only on 2026-05-24

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 1:45, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

Southwest Airlines WN3782

10:55

Phoenix Sky Harbor (PHX) 4

13:40

Denver (DEN)

Effective 2026-04-07 through 2026-06-03

Mon
-

Tue

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 1:45, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

Southwest Airlines WN3782

11:00

Phoenix Sky Harbor (PHX) 4

13:45

Denver (DEN)

Effective 2026-04-12 through 2026-05-17

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 1:45, non-stop
Boeing 737-700 (Scimitar Winglets)

Direct Flights:

Southwest Airlines WN3782

11:00

Phoenix Sky Harbor (PHX) 4

13:45

Denver (DEN)

Operates only on 2026-05-31

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 1:45, non-stop
Boeing 737-700 (Scimitar Winglets)

Direct Flights:

Southwest Airlines WN3782

11:05

Phoenix Sky Harbor (PHX) 4

13:50

Denver (DEN)

Effective 2026-04-09 through 2026-06-01

Mon

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun
-

Duration: 1:45, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

Southwest Airlines WN3782

11:10

Phoenix Sky Harbor (PHX) 4

13:55

Denver (DEN)

Effective 2026-04-11 through 2026-05-30

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 1:45, non-stop
Boeing 737-800 (73H)

Direct Flights:

Southwest Airlines WN3786

14:40

Phoenix Sky Harbor (PHX) 4

17:25

Denver (DEN)

Operates only on 2026-05-24

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 1:45, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

Southwest Airlines WN3786

15:20

Phoenix Sky Harbor (PHX) 4

18:05

Denver (DEN)

Effective 2026-04-11 through 2026-05-30

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 1:45, non-stop
Boeing 737-700 (Scimitar Winglets)

Direct Flights:

Southwest Airlines WN3786

15:25

Phoenix Sky Harbor (PHX) 4

18:10

Denver (DEN)

Effective 2026-04-09 through 2026-06-01

Mon

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun
-

Duration: 1:45, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

Southwest Airlines WN3786

15:30

Phoenix Sky Harbor (PHX) 4

18:15

Denver (DEN)

Effective 2026-04-12 through 2026-05-17

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 1:45, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

Southwest Airlines WN3786

15:30

Phoenix Sky Harbor (PHX) 4

18:15

Denver (DEN)

Operates only on 2026-05-31

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 1:45, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

Southwest Airlines WN3786

15:35

Phoenix Sky Harbor (PHX) 4

18:20

Denver (DEN)

Effective 2026-04-07 through 2026-06-03

Mon
-

Tue

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 1:45, non-stop
Boeing 737-800 (73H)

Direct Flights:

Southwest Airlines WN3788

21:20

Phoenix Sky Harbor (PHX) 4

00:05(+1)

Denver (DEN)

Effective 2026-04-07 through 2026-06-03

Mon
-

Tue

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 1:45, non-stop
Boeing 737 MAX 8 (7M8)
The flight arrives 1 day after departure.

Direct Flights:

Southwest Airlines WN3788

21:40

Phoenix Sky Harbor (PHX) 4

00:25(+1)

Denver (DEN)

Effective 2026-04-09 through 2026-06-01

Mon

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun
-

Duration: 1:45, non-stop
Boeing 737-800 (73H)
The flight arrives 1 day after departure.

Direct Flights:

Southwest Airlines WN3788

21:55

Phoenix Sky Harbor (PHX) 4

00:40(+1)

Denver (DEN)

Effective 2026-04-12 through 2026-05-17

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 1:45, non-stop
Boeing 737-800 (73H)
The flight arrives 1 day after departure.

Direct Flights:

Southwest Airlines WN3788

21:55

Phoenix Sky Harbor (PHX) 4

00:40(+1)

Denver (DEN)

Operates only on 2026-05-31

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 1:45, non-stop
Boeing 737-800 (73H)
The flight arrives 1 day after departure.

Direct Flights:

Southwest Airlines WN3936

10:05

Phoenix Sky Harbor (PHX) 4

12:50

Denver (DEN)

Effective 2026-04-11 through 2026-05-30

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 1:45, non-stop
Boeing 737-800 (73H)

Direct Flights:

Southwest Airlines WN3942

17:30

Phoenix Sky Harbor (PHX) 4

19:15

Denver (DEN)

Operates only on 2026-01-03

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 1:45, non-stop
Boeing 737-700 (Scimitar Winglets)

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A domestic route departing from the Phoenix Sky Harbor airport (PHX) and arriving at Denver airport (DEN).
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 1:44 and 2:02.

Return (DEN-PHX) flights

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