All airlines flying from Philadelphia (PHL) to Denver (DEN).

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FLIGHT SCHEDULE
Direct Flights:
Mon,Thu,Fri,Sun 07:00 Philadelphia (PHL) E 09:10 Denver (DEN) Southwest Airlines WN 4035 Non-stop Boeing 737-800 (73H) 4:10 Effective 2025-11-02 through 2025-11-16
Mon,Fri,Sun 07:00 Philadelphia (PHL) E 09:10 Denver (DEN) Southwest Airlines WN 4035 Non-stop Boeing 737-800 (73H) 4:10 Effective 2025-11-21 through 2025-11-28
Fri,Sun 07:00 Philadelphia (PHL) E 09:10 Denver (DEN) Southwest Airlines WN 4035 Non-stop Boeing 737-800 (73H) 4:10 Effective 2025-12-07 through 2025-12-14
Thu 07:00 Philadelphia (PHL) E 09:10 Denver (DEN) Southwest Airlines WN 4035 Non-stop Boeing 737-800 (73H) 4:10 Operates only on 2025-12-18
Mon 07:00 Philadelphia (PHL) E 09:10 Denver (DEN) Southwest Airlines WN 4035 Non-stop Boeing 737-800 (73H) 4:10 Operates only on 2026-01-05
Sat 15:40 Philadelphia (PHL) E 17:55 Denver (DEN) Southwest Airlines WN 4036 Non-stop Boeing 737 MAX 8 (7M8) 4:15 Effective 2025-11-08 through 2025-11-15
Sat 15:40 Philadelphia (PHL) E 17:55 Denver (DEN) Southwest Airlines WN 4036 Non-stop Boeing 737 MAX 8 (7M8) 4:15 Effective 2025-12-06 through 2025-12-13
Tue,Wed 16:55 Philadelphia (PHL) E 19:05 Denver (DEN) Southwest Airlines WN 4036 Non-stop Boeing 737-700 (Scimitar Winglets) 4:10 Effective 2025-11-04 through 2025-11-12
Mon-Thu 16:55 Philadelphia (PHL) E 19:05 Denver (DEN) Southwest Airlines WN 4036 Non-stop Boeing 737-700 (Scimitar Winglets) 4:10 Effective 2025-11-17 through 2025-11-20
Mon-Fri 16:55 Philadelphia (PHL) E 19:05 Denver (DEN) Southwest Airlines WN 4036 Non-stop Boeing 737-700 (Scimitar Winglets) 4:10 Effective 2025-12-02 through 2025-12-11
Mon-Wed 16:55 Philadelphia (PHL) E 19:05 Denver (DEN) Southwest Airlines WN 4036 Non-stop Boeing 737-700 (Scimitar Winglets) 4:10 Effective 2025-12-15 through 2025-12-17
Wed,Thu 16:55 Philadelphia (PHL) E 19:05 Denver (DEN) Southwest Airlines WN 4036 Non-stop Boeing 737-700 (Scimitar Winglets) 4:10 Effective 2025-12-24 through 2026-01-01
Mon,Thu,Fri,Sun 18:35 Philadelphia (PHL) E 20:45 Denver (DEN) Southwest Airlines WN 4036 Non-stop Boeing 737-800 (73H) 4:10 Effective 2025-11-02 through 2025-11-16
Mon,Fri,Sun 18:35 Philadelphia (PHL) E 20:45 Denver (DEN) Southwest Airlines WN 4036 Non-stop Boeing 737-800 (73H) 4:10 Effective 2025-11-21 through 2025-11-28
Fri,Sun 18:35 Philadelphia (PHL) E 20:45 Denver (DEN) Southwest Airlines WN 4036 Non-stop Boeing 737-800 (73H) 4:10 Effective 2025-12-07 through 2025-12-14
Thu 18:35 Philadelphia (PHL) E 20:45 Denver (DEN) Southwest Airlines WN 4036 Non-stop Boeing 737-800 (73H) 4:10 Operates only on 2025-12-18
Mon 18:35 Philadelphia (PHL) E 20:45 Denver (DEN) Southwest Airlines WN 4036 Non-stop Boeing 737-800 (73H) 4:10 Operates only on 2026-01-05
Mon,Thu,Fri 05:00 Philadelphia (PHL) E 07:10 Denver (DEN) Southwest Airlines WN 4141 Non-stop Boeing 737-800 (73H) 4:10 Effective 2025-10-02 through 2025-10-31
Sun 06:50 Philadelphia (PHL) E 09:00 Denver (DEN) Southwest Airlines WN 4141 Non-stop Boeing 737 MAX 8 (7M8) 4:10 Effective 2025-10-05 through 2025-10-26
Sat 07:15 Philadelphia (PHL) E 09:25 Denver (DEN) Southwest Airlines WN 4141 Non-stop Boeing 737 MAX 8 (7M8) 4:10 Effective 2025-10-04 through 2025-11-01
Tue,Wed 07:20 Philadelphia (PHL) E 09:30 Denver (DEN) Southwest Airlines WN 4141 Non-stop Boeing 737 MAX 8 (7M8) 4:10 Effective 2025-10-07 through 2025-10-29
Mon,Thu,Fri 05:00 Philadelphia (PHL) E 07:00 Denver (DEN) Southwest Airlines WN 4187 Non-stop Boeing 737-700 (73W) 4:00 Effective 2025-06-05 through 2025-07-03
Mon,Thu,Fri 05:00 Philadelphia (PHL) E 07:00 Denver (DEN) Southwest Airlines WN 4187 Non-stop Boeing 737-700 (73W) 4:00 Effective 2025-07-07 through 2025-08-04
Sat 06:10 Philadelphia (PHL) E 08:10 Denver (DEN) Southwest Airlines WN 4187 Non-stop Boeing 737-800 (73H) 4:00 Effective 2025-06-07 through 2025-08-02
Sun 06:30 Philadelphia (PHL) E 08:30 Denver (DEN) Southwest Airlines WN 4187 Non-stop Boeing 737 MAX 8 (7M8) 4:00 Effective 2025-06-08 through 2025-08-03
Tue,Wed 13:15 Philadelphia (PHL) E 15:15 Denver (DEN) Southwest Airlines WN 4187 Non-stop Boeing 737-800 (73H) 4:00 Effective 2025-06-10 through 2025-07-30
Fri 15:50 Philadelphia (PHL) E 18:05 Denver (DEN) Southwest Airlines WN 4189 Non-stop Boeing 737 MAX 8 (7M8) 4:15 Operates only on 2025-07-04
Mon,Thu,Fri 19:10 Philadelphia (PHL) E 21:25 Denver (DEN) Southwest Airlines WN 4189 Non-stop Boeing 737 MAX 8 (7M8) 4:15 Effective 2025-06-05 through 2025-07-03
Mon,Thu,Fri 19:10 Philadelphia (PHL) E 21:25 Denver (DEN) Southwest Airlines WN 4189 Non-stop Boeing 737 MAX 8 (7M8) 4:15 Effective 2025-07-07 through 2025-08-04
Sun 19:25 Philadelphia (PHL) E 21:50 Denver (DEN) Southwest Airlines WN 4189 Non-stop Boeing 737-800 (73H) 4:25 Effective 2025-06-08 through 2025-08-03
Mon-Wed 12:55 Philadelphia (PHL) E 15:05 Denver (DEN) Southwest Airlines WN 4471 Non-stop Boeing 737 MAX 8 (7M8) 4:10 Effective 2025-11-25 through 2025-12-01
Mon,Tue,Fri,Sun 12:55 Philadelphia (PHL) E 15:05 Denver (DEN) Southwest Airlines WN 4471 Non-stop Boeing 737 MAX 8 (7M8) 4:10 Effective 2025-12-19 through 2026-01-04
Sat 15:40 Philadelphia (PHL) E 17:55 Denver (DEN) Southwest Airlines WN 4471 Non-stop Boeing 737-800 (73H) 4:15 Effective 2025-11-22 through 2025-11-29
Sat 15:40 Philadelphia (PHL) E 17:55 Denver (DEN) Southwest Airlines WN 4471 Non-stop Boeing 737-800 (73H) 4:15 Effective 2025-12-20 through 2026-01-03
Sun 19:35 Philadelphia (PHL) E 21:50 Denver (DEN) Southwest Airlines WN 4750 Non-stop Boeing 737 MAX 8 (7M8) 4:15 Operates only on 2025-11-30
Non-Direct Flights:
Sun 07:56 Philadelphia (PHL) D 14:46 Denver (DEN) United Airlines UA 622 1-stop Boeing 737-800 (738) 8:50 Effective 2025-06-29 through 2025-08-17
Tue-Fri 08:15 Philadelphia (PHL) D 14:46 Denver (DEN) United Airlines UA 622 1-stop Boeing 737-800 (738) 8:31 Effective 2025-06-26 through 2025-07-04
Mon,Sat 08:15 Philadelphia (PHL) D 14:46 Denver (DEN) United Airlines UA 622 1-stop Boeing 737-900 (739) 8:31 Effective 2025-06-28 through 2025-06-30
Mon-Sat 08:15 Philadelphia (PHL) D 14:46 Denver (DEN) United Airlines UA 622 1-stop Boeing 737-800 (738) 8:31 Effective 2025-07-05 through 2025-08-18
Sun 13:20 Philadelphia (PHL) E 17:50 Denver (DEN) Southwest Airlines WN 1002 1-stop Boeing 737-800 (73H) 6:30 Effective 2025-06-08 through 2025-08-03
Sat 09:45 Philadelphia (PHL) E 13:05 Denver (DEN) Southwest Airlines WN 1190 1-stop Boeing 737-700 (Scimitar Winglets) 5:20 Effective 2025-11-22 through 2025-11-29
Sat 09:45 Philadelphia (PHL) E 13:05 Denver (DEN) Southwest Airlines WN 1190 1-stop Boeing 737-700 (Scimitar Winglets) 5:20 Effective 2025-12-20 through 2026-01-03
Mon,Thu,Fri 10:10 Philadelphia (PHL) E 13:35 Denver (DEN) Southwest Airlines WN 2800 1-stop Boeing 737-800 (73H) 5:25 Effective 2025-10-02 through 2025-10-31
Sat 07:15 Philadelphia (PHL) E 13:50 Denver (DEN) Southwest Airlines WN 2050 2-stop Boeing 737-700 (73W) 8:35 Valid until 2025-05-31
Mon,Thu,Fri,Sun 12:35 Philadelphia (PHL) E 17:35 Denver (DEN) Southwest Airlines WN 3740 2-stop Boeing 737-700 (Scimitar Winglets) 7:00 Effective 2025-11-02 through 2025-11-16
Mon,Fri,Sun 12:35 Philadelphia (PHL) E 17:35 Denver (DEN) Southwest Airlines WN 3740 2-stop Boeing 737-700 (Scimitar Winglets) 7:00 Effective 2025-11-21 through 2025-11-28
Fri,Sun 12:35 Philadelphia (PHL) E 17:35 Denver (DEN) Southwest Airlines WN 3740 2-stop Boeing 737-700 (Scimitar Winglets) 7:00 Effective 2025-12-07 through 2025-12-14
Thu 12:35 Philadelphia (PHL) E 17:35 Denver (DEN) Southwest Airlines WN 3740 2-stop Boeing 737-700 (Scimitar Winglets) 7:00 Operates only on 2025-12-18
Mon 12:35 Philadelphia (PHL) E 17:35 Denver (DEN) Southwest Airlines WN 3740 2-stop Boeing 737-700 (Scimitar Winglets) 7:00 Operates only on 2026-01-05
Direct Codeshare Flights:
Tue,Thu,Sat 18:35 Philadelphia (PHL) 21:00 Denver (DEN) Qatar Airways QR 2630 Non-stop Airbus A321 (321) 4:25 Effective 2025-10-07 through 2025-10-25 Codeshare flight, operated by American Airlines.(AA 3158)

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1 2 3 4 5 6

A domestic route departing from the Philadelphia airport (PHL) and arriving at Denver airport (DEN).
The flight distance is 1553 miles, or 2499 km.
The timezone of the departure airport is UTC-5 (plus 1h DST), and the timezone of the arrival airport is UTC-7 (plus 1h DST). Current time at the point of departure is 4:43am, and 2:43am at the point of arrival. There is a -2 hour time difference between the airports.
For direct flights, the flight time varies between 3:50 and 4:41.

Return (DEN-PHL) flights

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All airlines flying from Philadelphia (PHL) to Denver (DEN).

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FLIGHT SCHEDULE

Direct Flights:

Southwest Airlines WN4035

07:00

Philadelphia (PHL) E

09:10

Denver (DEN)

Effective 2025-11-02 through 2025-11-16

Mon

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun

Duration: 4:10, non-stop
Boeing 737-800 (73H)

Southwest Airlines WN4035

07:00

Philadelphia (PHL) E

09:10

Denver (DEN)

Effective 2025-11-21 through 2025-11-28

Mon

Tue
-

Wed
-

Thu
-

Fri

Sat
-

Sun

Duration: 4:10, non-stop
Boeing 737-800 (73H)

Southwest Airlines WN4035

07:00

Philadelphia (PHL) E

09:10

Denver (DEN)

Effective 2025-12-07 through 2025-12-14

Mon
-

Tue
-

Wed
-

Thu
-

Fri

Sat
-

Sun

Duration: 4:10, non-stop
Boeing 737-800 (73H)

Southwest Airlines WN4035

07:00

Philadelphia (PHL) E

09:10

Denver (DEN)

Operates only on 2025-12-18

Mon
-

Tue
-

Wed
-

Thu

Fri
-

Sat
-

Sun
-

Duration: 4:10, non-stop
Boeing 737-800 (73H)

Southwest Airlines WN4035

07:00

Philadelphia (PHL) E

09:10

Denver (DEN)

Operates only on 2026-01-05

Mon

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 4:10, non-stop
Boeing 737-800 (73H)

Southwest Airlines WN4036

15:40

Philadelphia (PHL) E

17:55

Denver (DEN)

Effective 2025-11-08 through 2025-11-15

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 4:15, non-stop
Boeing 737 MAX 8 (7M8)

Southwest Airlines WN4036

15:40

Philadelphia (PHL) E

17:55

Denver (DEN)

Effective 2025-12-06 through 2025-12-13

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 4:15, non-stop
Boeing 737 MAX 8 (7M8)

Southwest Airlines WN4036

16:55

Philadelphia (PHL) E

19:05

Denver (DEN)

Effective 2025-11-04 through 2025-11-12

Mon
-

Tue

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 4:10, non-stop
Boeing 737-700 (Scimitar Winglets)

Southwest Airlines WN4036

16:55

Philadelphia (PHL) E

19:05

Denver (DEN)

Effective 2025-11-17 through 2025-11-20

Mon

Tue

Wed

Thu

Fri
-

Sat
-

Sun
-

Duration: 4:10, non-stop
Boeing 737-700 (Scimitar Winglets)

Southwest Airlines WN4036

16:55

Philadelphia (PHL) E

19:05

Denver (DEN)

Effective 2025-12-02 through 2025-12-11

Mon

Tue

Wed

Thu

Fri

Sat
-

Sun
-

Duration: 4:10, non-stop
Boeing 737-700 (Scimitar Winglets)

Southwest Airlines WN4036

16:55

Philadelphia (PHL) E

19:05

Denver (DEN)

Effective 2025-12-15 through 2025-12-17

Mon

Tue

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 4:10, non-stop
Boeing 737-700 (Scimitar Winglets)

Southwest Airlines WN4036

16:55

Philadelphia (PHL) E

19:05

Denver (DEN)

Effective 2025-12-24 through 2026-01-01

Mon
-

Tue
-

Wed

Thu

Fri
-

Sat
-

Sun
-

Duration: 4:10, non-stop
Boeing 737-700 (Scimitar Winglets)

Southwest Airlines WN4036

18:35

Philadelphia (PHL) E

20:45

Denver (DEN)

Effective 2025-11-02 through 2025-11-16

Mon

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun

Duration: 4:10, non-stop
Boeing 737-800 (73H)

Southwest Airlines WN4036

18:35

Philadelphia (PHL) E

20:45

Denver (DEN)

Effective 2025-11-21 through 2025-11-28

Mon

Tue
-

Wed
-

Thu
-

Fri

Sat
-

Sun

Duration: 4:10, non-stop
Boeing 737-800 (73H)

Southwest Airlines WN4036

18:35

Philadelphia (PHL) E

20:45

Denver (DEN)

Effective 2025-12-07 through 2025-12-14

Mon
-

Tue
-

Wed
-

Thu
-

Fri

Sat
-

Sun

Duration: 4:10, non-stop
Boeing 737-800 (73H)

Southwest Airlines WN4036

18:35

Philadelphia (PHL) E

20:45

Denver (DEN)

Operates only on 2025-12-18

Mon
-

Tue
-

Wed
-

Thu

Fri
-

Sat
-

Sun
-

Duration: 4:10, non-stop
Boeing 737-800 (73H)

Southwest Airlines WN4036

18:35

Philadelphia (PHL) E

20:45

Denver (DEN)

Operates only on 2026-01-05

Mon

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 4:10, non-stop
Boeing 737-800 (73H)

Southwest Airlines WN4141

05:00

Philadelphia (PHL) E

07:10

Denver (DEN)

Effective 2025-10-02 through 2025-10-31

Mon

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun
-

Duration: 4:10, non-stop
Boeing 737-800 (73H)

Southwest Airlines WN4141

06:50

Philadelphia (PHL) E

09:00

Denver (DEN)

Effective 2025-10-05 through 2025-10-26

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 4:10, non-stop
Boeing 737 MAX 8 (7M8)

Southwest Airlines WN4141

07:15

Philadelphia (PHL) E

09:25

Denver (DEN)

Effective 2025-10-04 through 2025-11-01

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 4:10, non-stop
Boeing 737 MAX 8 (7M8)

Southwest Airlines WN4141

07:20

Philadelphia (PHL) E

09:30

Denver (DEN)

Effective 2025-10-07 through 2025-10-29

Mon
-

Tue

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 4:10, non-stop
Boeing 737 MAX 8 (7M8)

Southwest Airlines WN4187

05:00

Philadelphia (PHL) E

07:00

Denver (DEN)

Effective 2025-06-05 through 2025-07-03

Mon

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun
-

Duration: 4:00, non-stop
Boeing 737-700 (73W)

Southwest Airlines WN4187

05:00

Philadelphia (PHL) E

07:00

Denver (DEN)

Effective 2025-07-07 through 2025-08-04

Mon

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun
-

Duration: 4:00, non-stop
Boeing 737-700 (73W)

Southwest Airlines WN4187

06:10

Philadelphia (PHL) E

08:10

Denver (DEN)

Effective 2025-06-07 through 2025-08-02

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 4:00, non-stop
Boeing 737-800 (73H)

Southwest Airlines WN4187

06:30

Philadelphia (PHL) E

08:30

Denver (DEN)

Effective 2025-06-08 through 2025-08-03

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 4:00, non-stop
Boeing 737 MAX 8 (7M8)

Southwest Airlines WN4187

13:15

Philadelphia (PHL) E

15:15

Denver (DEN)

Effective 2025-06-10 through 2025-07-30

Mon
-

Tue

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 4:00, non-stop
Boeing 737-800 (73H)

Southwest Airlines WN4189

15:50

Philadelphia (PHL) E

18:05

Denver (DEN)

Operates only on 2025-07-04

Mon
-

Tue
-

Wed
-

Thu
-

Fri

Sat
-

Sun
-

Duration: 4:15, non-stop
Boeing 737 MAX 8 (7M8)

Southwest Airlines WN4189

19:10

Philadelphia (PHL) E

21:25

Denver (DEN)

Effective 2025-06-05 through 2025-07-03

Mon

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun
-

Duration: 4:15, non-stop
Boeing 737 MAX 8 (7M8)

Southwest Airlines WN4189

19:10

Philadelphia (PHL) E

21:25

Denver (DEN)

Effective 2025-07-07 through 2025-08-04

Mon

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun
-

Duration: 4:15, non-stop
Boeing 737 MAX 8 (7M8)

Southwest Airlines WN4189

19:25

Philadelphia (PHL) E

21:50

Denver (DEN)

Effective 2025-06-08 through 2025-08-03

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 4:25, non-stop
Boeing 737-800 (73H)

Southwest Airlines WN4471

12:55

Philadelphia (PHL) E

15:05

Denver (DEN)

Effective 2025-11-25 through 2025-12-01

Mon

Tue

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 4:10, non-stop
Boeing 737 MAX 8 (7M8)

Southwest Airlines WN4471

12:55

Philadelphia (PHL) E

15:05

Denver (DEN)

Effective 2025-12-19 through 2026-01-04

Mon

Tue

Wed
-

Thu
-

Fri

Sat
-

Sun

Duration: 4:10, non-stop
Boeing 737 MAX 8 (7M8)

Southwest Airlines WN4471

15:40

Philadelphia (PHL) E

17:55

Denver (DEN)

Effective 2025-11-22 through 2025-11-29

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 4:15, non-stop
Boeing 737-800 (73H)

Southwest Airlines WN4471

15:40

Philadelphia (PHL) E

17:55

Denver (DEN)

Effective 2025-12-20 through 2026-01-03

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 4:15, non-stop
Boeing 737-800 (73H)

Southwest Airlines WN4750

19:35

Philadelphia (PHL) E

21:50

Denver (DEN)

Operates only on 2025-11-30

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 4:15, non-stop
Boeing 737 MAX 8 (7M8)

Non-Direct Flights:

United Airlines UA622

07:56

Philadelphia (PHL) D

14:46

Denver (DEN)

Effective 2025-06-29 through 2025-08-17

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 8:50, 1-stop
Boeing 737-800 (738)

United Airlines UA622

08:15

Philadelphia (PHL) D

14:46

Denver (DEN)

Effective 2025-06-26 through 2025-07-04

Mon
-

Tue

Wed

Thu

Fri

Sat
-

Sun
-

Duration: 8:31, 1-stop
Boeing 737-800 (738)

United Airlines UA622

08:15

Philadelphia (PHL) D

14:46

Denver (DEN)

Effective 2025-06-28 through 2025-06-30

Mon

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 8:31, 1-stop
Boeing 737-900 (739)

United Airlines UA622

08:15

Philadelphia (PHL) D

14:46

Denver (DEN)

Effective 2025-07-05 through 2025-08-18

Mon

Tue

Wed

Thu

Fri

Sat

Sun
-

Duration: 8:31, 1-stop
Boeing 737-800 (738)

Southwest Airlines WN1002

13:20

Philadelphia (PHL) E

17:50

Denver (DEN)

Effective 2025-06-08 through 2025-08-03

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 6:30, 1-stop
Boeing 737-800 (73H)

Southwest Airlines WN1190

09:45

Philadelphia (PHL) E

13:05

Denver (DEN)

Effective 2025-11-22 through 2025-11-29

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 5:20, 1-stop
Boeing 737-700 (Scimitar Winglets)

Southwest Airlines WN1190

09:45

Philadelphia (PHL) E

13:05

Denver (DEN)

Effective 2025-12-20 through 2026-01-03

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 5:20, 1-stop
Boeing 737-700 (Scimitar Winglets)

Southwest Airlines WN2800

10:10

Philadelphia (PHL) E

13:35

Denver (DEN)

Effective 2025-10-02 through 2025-10-31

Mon

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun
-

Duration: 5:25, 1-stop
Boeing 737-800 (73H)

Southwest Airlines WN2050

07:15

Philadelphia (PHL) E

13:50

Denver (DEN)

Valid until 2025-05-31

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 8:35, 2-stop
Boeing 737-700 (73W)

Southwest Airlines WN3740

12:35

Philadelphia (PHL) E

17:35

Denver (DEN)

Effective 2025-11-02 through 2025-11-16

Mon

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun

Duration: 7:00, 2-stop
Boeing 737-700 (Scimitar Winglets)

Southwest Airlines WN3740

12:35

Philadelphia (PHL) E

17:35

Denver (DEN)

Effective 2025-11-21 through 2025-11-28

Mon

Tue
-

Wed
-

Thu
-

Fri

Sat
-

Sun

Duration: 7:00, 2-stop
Boeing 737-700 (Scimitar Winglets)

Southwest Airlines WN3740

12:35

Philadelphia (PHL) E

17:35

Denver (DEN)

Effective 2025-12-07 through 2025-12-14

Mon
-

Tue
-

Wed
-

Thu
-

Fri

Sat
-

Sun

Duration: 7:00, 2-stop
Boeing 737-700 (Scimitar Winglets)

Southwest Airlines WN3740

12:35

Philadelphia (PHL) E

17:35

Denver (DEN)

Operates only on 2025-12-18

Mon
-

Tue
-

Wed
-

Thu

Fri
-

Sat
-

Sun
-

Duration: 7:00, 2-stop
Boeing 737-700 (Scimitar Winglets)

Southwest Airlines WN3740

12:35

Philadelphia (PHL) E

17:35

Denver (DEN)

Operates only on 2026-01-05

Mon

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 7:00, 2-stop
Boeing 737-700 (Scimitar Winglets)

Direct Codeshare Flights:

Qatar Airways QR2630

18:35

Philadelphia (PHL)

21:00

Denver (DEN)

Effective 2025-10-07 through 2025-10-25

Mon
-

Tue

Wed
-

Thu

Fri
-

Sat

Sun
-

Codeshare flight, operated by American Airlines. (AA 3158)

Duration: 4:25, non-stop
Airbus A321 (321)

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Parallax here PHL-DEN

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A domestic route departing from the Philadelphia airport (PHL) and arriving at Denver airport (DEN).
The flight distance is 1553 miles, or 2499 km.
The timezone of the departure airport is UTC-5 (plus 1h DST), and the timezone of the arrival airport is UTC-7 (plus 1h DST). Current time at the point of departure is 4:43am, and 2:43am at the point of arrival. There is a -2 hour time difference between the airports.
For direct flights, the flight time varies between 3:50 and 4:41.

Return (DEN-PHL) flights

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