Southwest Airlines flights from Denver (DEN) to Philadelphia (PHL).

FLIGHT SCHEDULE
Direct Flights:
Mon,Thu,Fri 15:30 Denver (DEN) 21:00 Philadelphia (PHL) E Southwest Airlines WN 639 Non-stop Boeing 737 MAX 8 (7M8) 3:30 Effective 2026-08-06 through 2026-09-28
Tue,Wed 18:30 Denver (DEN) 23:50 Philadelphia (PHL) E Southwest Airlines WN 845 Non-stop Boeing 737 MAX 8 (7M8) 3:20 Effective 2026-03-10 through 2026-04-01
Sat 19:00 Denver (DEN) 00:20 Philadelphia (PHL) E Southwest Airlines WN 845 Non-stop Boeing 737 MAX 8 (7M8) 3:20 Effective 2026-03-07 through 2026-04-04 The flight arrives 1 day after departure.
Sun 19:20 Denver (DEN) 00:40 Philadelphia (PHL) E Southwest Airlines WN 845 Non-stop Boeing 737 MAX 8 (7M8) 3:20 Effective 2026-03-08 through 2026-04-05 The flight arrives 1 day after departure.
Mon,Thu,Fri 19:30 Denver (DEN) 00:55 Philadelphia (PHL) E Southwest Airlines WN 845 Non-stop Boeing 737-800 (73H) 3:25 Effective 2026-03-05 through 2026-04-06 The flight arrives 1 day after departure.
Sat 10:35 Denver (DEN) 16:05 Philadelphia (PHL) E Southwest Airlines WN 949 Non-stop Boeing 737-700 (Scimitar Winglets) 3:30 Effective 2026-03-07 through 2026-04-04
Mon,Thu,Fri 11:05 Denver (DEN) 16:30 Philadelphia (PHL) E Southwest Airlines WN 949 Non-stop Boeing 737 MAX 8 (7M8) 3:25 Effective 2026-03-05 through 2026-04-06
Sun 11:05 Denver (DEN) 16:30 Philadelphia (PHL) E Southwest Airlines WN 949 Non-stop Boeing 737-800 (73H) 3:25 Effective 2026-03-08 through 2026-04-05
Tue,Wed 12:00 Denver (DEN) 17:25 Philadelphia (PHL) E Southwest Airlines WN 949 Non-stop Boeing 737-800 (73H) 3:25 Effective 2026-03-10 through 2026-04-01
Sat 10:05 Denver (DEN) 15:45 Philadelphia (PHL) E Southwest Airlines WN 1386 Non-stop Boeing 737-800 (73H) 3:40 Effective 2026-06-06 through 2026-08-01
Mon,Thu,Fri 13:35 Denver (DEN) 19:05 Philadelphia (PHL) E Southwest Airlines WN 1564 Non-stop Boeing 737-800 (73H) 3:30 Effective 2026-02-12 through 2026-02-16
Thu,Fri,Sun 13:35 Denver (DEN) 19:05 Philadelphia (PHL) E Southwest Airlines WN 1564 Non-stop Boeing 737-800 (73H) 3:30 Effective 2026-02-20 through 2026-03-01
Tue,Wed 11:00 Denver (DEN) 16:30 Philadelphia (PHL) E Southwest Airlines WN 1622 Non-stop Boeing 737 MAX 8 (7M8) 3:30 Effective 2026-08-04 through 2026-09-30
Mon,Thu,Fri 11:15 Denver (DEN) 16:45 Philadelphia (PHL) E Southwest Airlines WN 1622 Non-stop Boeing 737-800 (73H) 3:30 Effective 2026-08-06 through 2026-09-28
Sat 11:25 Denver (DEN) 17:00 Philadelphia (PHL) E Southwest Airlines WN 1622 Non-stop Boeing 737-700 (Scimitar Winglets) 3:35 Effective 2026-08-08 through 2026-09-26
Sun 11:25 Denver (DEN) 17:00 Philadelphia (PHL) E Southwest Airlines WN 1622 Non-stop Boeing 737 MAX 8 (7M8) 3:35 Effective 2026-08-09 through 2026-09-27
Sat 17:20 Denver (DEN) 22:50 Philadelphia (PHL) E Southwest Airlines WN 1624 Non-stop Boeing 737-800 (73H) 3:30 Effective 2026-08-08 through 2026-09-26
Tue,Wed 17:55 Denver (DEN) 23:35 Philadelphia (PHL) E Southwest Airlines WN 1624 Non-stop Boeing 737-800 (73H) 3:40 Effective 2026-08-04 through 2026-09-30
Sun 18:35 Denver (DEN) 00:10 Philadelphia (PHL) E Southwest Airlines WN 1624 Non-stop Boeing 737 MAX 8 (7M8) 3:35 Effective 2026-08-09 through 2026-09-27 The flight arrives 1 day after departure.
Mon-Fri 16:35 Denver (DEN) 22:00 Philadelphia (PHL) E Southwest Airlines WN 1626 Non-stop Boeing 737-700 (Scimitar Winglets) 3:25 Effective 2026-01-06 through 2026-01-14
Tue-Fri,Sun 16:35 Denver (DEN) 22:00 Philadelphia (PHL) E Southwest Airlines WN 1626 Non-stop Boeing 737-700 (Scimitar Winglets) 3:25 Effective 2026-01-18 through 2026-01-23
Mon-Fri 16:35 Denver (DEN) 22:00 Philadelphia (PHL) E Southwest Airlines WN 1626 Non-stop Boeing 737-700 (Scimitar Winglets) 3:25 Effective 2026-01-26 through 2026-02-04
Tue,Wed,Sun 16:35 Denver (DEN) 22:00 Philadelphia (PHL) E Southwest Airlines WN 1626 Non-stop Boeing 737-700 (Scimitar Winglets) 3:25 Effective 2026-02-08 through 2026-02-11
Tue,Wed 16:35 Denver (DEN) 22:00 Philadelphia (PHL) E Southwest Airlines WN 1626 Non-stop Boeing 737-700 (Scimitar Winglets) 3:25 Effective 2026-02-18 through 2026-03-04
Mon,Thu,Fri 16:50 Denver (DEN) 22:15 Philadelphia (PHL) E Southwest Airlines WN 1626 Non-stop Boeing 737 MAX 8 (7M8) 3:25 Effective 2026-02-05 through 2026-02-09
Tue,Thu,Sun 16:50 Denver (DEN) 22:15 Philadelphia (PHL) E Southwest Airlines WN 1626 Non-stop Boeing 737 MAX 8 (7M8) 3:25 Effective 2026-02-15 through 2026-02-19
Mon 16:50 Denver (DEN) 22:15 Philadelphia (PHL) E Southwest Airlines WN 1626 Non-stop Boeing 737 MAX 8 (7M8) 3:25 Effective 2026-02-23 through 2026-03-02
Thu,Fri,Sun 17:00 Denver (DEN) 22:25 Philadelphia (PHL) E Southwest Airlines WN 1626 Non-stop Boeing 737 MAX 8 (7M8) 3:25 Effective 2026-01-11 through 2026-01-16
Mon,Sun 17:00 Denver (DEN) 22:25 Philadelphia (PHL) E Southwest Airlines WN 1626 Non-stop Boeing 737 MAX 8 (7M8) 3:25 Effective 2026-01-19 through 2026-01-25
Sun 17:10 Denver (DEN) 22:30 Philadelphia (PHL) E Southwest Airlines WN 1626 Non-stop Boeing 737 MAX 8 (7M8) 3:20 Operates only on 2026-02-01
Sat 10:45 Denver (DEN) 16:15 Philadelphia (PHL) E Southwest Airlines WN 1998 Non-stop Boeing 737-800 (73H) 3:30 Effective 2026-04-11 through 2026-05-30
Mon,Thu,Fri 12:25 Denver (DEN) 17:55 Philadelphia (PHL) E Southwest Airlines WN 1998 Non-stop Boeing 737 MAX 8 (7M8) 3:30 Effective 2026-04-09 through 2026-06-01
Tue,Wed 12:35 Denver (DEN) 18:05 Philadelphia (PHL) E Southwest Airlines WN 1998 Non-stop Boeing 737 MAX 8 (7M8) 3:30 Effective 2026-04-07 through 2026-06-03
Sat 17:30 Denver (DEN) 23:00 Philadelphia (PHL) E Southwest Airlines WN 2001 Non-stop Boeing 737-700 (Scimitar Winglets) 3:30 Effective 2026-04-11 through 2026-05-30
Tue,Wed 18:10 Denver (DEN) 23:55 Philadelphia (PHL) E Southwest Airlines WN 2001 Non-stop Boeing 737 MAX 8 (7M8) 3:45 Effective 2026-04-07 through 2026-06-03
Sun 18:25 Denver (DEN) 00:05 Philadelphia (PHL) E Southwest Airlines WN 2001 Non-stop Boeing 737-800 (73H) 3:40 Operates only on 2026-05-24 The flight arrives 1 day after departure.
Mon,Thu,Fri 19:05 Denver (DEN) 00:35 Philadelphia (PHL) E Southwest Airlines WN 2001 Non-stop Boeing 737-800 (73H) 3:30 Effective 2026-04-09 through 2026-06-01 The flight arrives 1 day after departure.
Sun 19:45 Denver (DEN) 01:15 Philadelphia (PHL) E Southwest Airlines WN 2001 Non-stop Boeing 737-800 (73H) 3:30 Effective 2026-04-12 through 2026-05-17 The flight arrives 1 day after departure.
Sun 19:45 Denver (DEN) 01:15 Philadelphia (PHL) E Southwest Airlines WN 2001 Non-stop Boeing 737-800 (73H) 3:30 Operates only on 2026-05-31 The flight arrives 1 day after departure.
Sat 11:15 Denver (DEN) 16:45 Philadelphia (PHL) E Southwest Airlines WN 2061 Non-stop Boeing 737 MAX 8 (7M8) 3:30 Effective 2026-02-14 through 2026-02-28
Mon,Tue,Fri,Sun 09:55 Denver (DEN) 15:25 Philadelphia (PHL) E Southwest Airlines WN 2585 Non-stop Boeing 737-800 (73H) 3:30 Valid until 2026-01-04
Mon 09:55 Denver (DEN) 15:25 Philadelphia (PHL) E Southwest Airlines WN 2585 Non-stop Boeing 737 MAX 8 (7M8) 3:30 Operates only on 2026-01-05
Sat 10:20 Denver (DEN) 15:45 Philadelphia (PHL) E Southwest Airlines WN 2585 Non-stop Boeing 737 MAX 8 (7M8) 3:25 Valid until 2026-01-03
Wed,Thu 17:25 Denver (DEN) 22:50 Philadelphia (PHL) E Southwest Airlines WN 2585 Non-stop Boeing 737 MAX 8 (7M8) 3:25 Valid until 2026-01-01
Mon,Tue,Fri,Sun 14:00 Denver (DEN) 19:25 Philadelphia (PHL) E Southwest Airlines WN 2586 Non-stop Boeing 737 MAX 8 (7M8) 3:25 Valid until 2026-01-04
Sat 14:55 Denver (DEN) 20:20 Philadelphia (PHL) E Southwest Airlines WN 2586 Non-stop Boeing 737 MAX 8 (7M8) 3:25 Valid until 2026-01-03
Mon,Tue,Fri,Sun 18:05 Denver (DEN) 23:35 Philadelphia (PHL) E Southwest Airlines WN 2587 Non-stop Boeing 737 MAX 8 (7M8) 3:30 Valid until 2026-01-04
Mon 18:20 Denver (DEN) 23:45 Philadelphia (PHL) E Southwest Airlines WN 2587 Non-stop Boeing 737 MAX 8 (7M8) 3:25 Operates only on 2026-01-05
Sat 19:55 Denver (DEN) 01:20 Philadelphia (PHL) E Southwest Airlines WN 2587 Non-stop Boeing 737 MAX 8 (7M8) 3:25 Valid until 2026-01-03 The flight arrives 1 day after departure.
Sat 18:30 Denver (DEN) 00:05 Philadelphia (PHL) E Southwest Airlines WN 2686 Non-stop Boeing 737 MAX 8 (7M8) 3:35 Effective 2026-06-06 through 2026-08-01 The flight arrives 1 day after departure.

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A domestic route departing from the Denver airport (DEN) and arriving at Philadelphia airport (PHL).
The flight distance is 1553 miles, or 2499 km.
The timezone of the departure airport is UTC-7 , and the timezone of the arrival airport is UTC-5 . Current time at the point of departure is (loading...), and (loading...) at the point of arrival. There is a (loading...) hour time difference between the airports.
For direct flights, the flight time varies between 3:20 and 3:45.

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Southwest Airlines flights from Denver (DEN) to Philadelphia (PHL).

FLIGHT SCHEDULE

Direct Flights:

Southwest Airlines WN639

15:30

Denver (DEN)

21:00

Philadelphia (PHL) E

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

Mon

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun
-

Duration: 3:30, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

Southwest Airlines WN845

18:30

Denver (DEN)

23:50

Philadelphia (PHL) E

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

Mon
-

Tue

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 3:20, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

Southwest Airlines WN845

19:00

Denver (DEN)

00:20(+1)

Philadelphia (PHL) E

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

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 3:20, non-stop
Boeing 737 MAX 8 (7M8)
The flight arrives 1 day after departure.

Direct Flights:

Southwest Airlines WN845

19:20

Denver (DEN)

00:40(+1)

Philadelphia (PHL) E

Effective 2026-03-08 through 2026-04-05

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 3:20, non-stop
Boeing 737 MAX 8 (7M8)
The flight arrives 1 day after departure.

Direct Flights:

Southwest Airlines WN845

19:30

Denver (DEN)

00:55(+1)

Philadelphia (PHL) E

Effective 2026-03-05 through 2026-04-06

Mon

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun
-

Duration: 3:25, non-stop
Boeing 737-800 (73H)
The flight arrives 1 day after departure.

Direct Flights:

Southwest Airlines WN949

10:35

Denver (DEN)

16:05

Philadelphia (PHL) E

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

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 3:30, non-stop
Boeing 737-700 (Scimitar Winglets)

Direct Flights:

Southwest Airlines WN949

11:05

Denver (DEN)

16:30

Philadelphia (PHL) E

Effective 2026-03-05 through 2026-04-06

Mon

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun
-

Duration: 3:25, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

Southwest Airlines WN949

11:05

Denver (DEN)

16:30

Philadelphia (PHL) E

Effective 2026-03-08 through 2026-04-05

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 3:25, non-stop
Boeing 737-800 (73H)

Direct Flights:

Southwest Airlines WN949

12:00

Denver (DEN)

17:25

Philadelphia (PHL) E

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

Mon
-

Tue

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 3:25, non-stop
Boeing 737-800 (73H)

Direct Flights:

Southwest Airlines WN1386

10:05

Denver (DEN)

15:45

Philadelphia (PHL) E

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

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 3:40, non-stop
Boeing 737-800 (73H)

Direct Flights:

Southwest Airlines WN1564

13:35

Denver (DEN)

19:05

Philadelphia (PHL) E

Effective 2026-02-12 through 2026-02-16

Mon

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun
-

Duration: 3:30, non-stop
Boeing 737-800 (73H)

Direct Flights:

Southwest Airlines WN1564

13:35

Denver (DEN)

19:05

Philadelphia (PHL) E

Effective 2026-02-20 through 2026-03-01

Mon
-

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun

Duration: 3:30, non-stop
Boeing 737-800 (73H)

Direct Flights:

Southwest Airlines WN1622

11:00

Denver (DEN)

16:30

Philadelphia (PHL) E

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

Mon
-

Tue

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 3:30, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

Southwest Airlines WN1622

11:15

Denver (DEN)

16:45

Philadelphia (PHL) E

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

Mon

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun
-

Duration: 3:30, non-stop
Boeing 737-800 (73H)

Direct Flights:

Southwest Airlines WN1622

11:25

Denver (DEN)

17:00

Philadelphia (PHL) E

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

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 3:35, non-stop
Boeing 737-700 (Scimitar Winglets)

Direct Flights:

Southwest Airlines WN1622

11:25

Denver (DEN)

17:00

Philadelphia (PHL) E

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

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 3:35, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

Southwest Airlines WN1624

17:20

Denver (DEN)

22:50

Philadelphia (PHL) E

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

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 3:30, non-stop
Boeing 737-800 (73H)

Direct Flights:

Southwest Airlines WN1624

17:55

Denver (DEN)

23:35

Philadelphia (PHL) E

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

Mon
-

Tue

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 3:40, non-stop
Boeing 737-800 (73H)

Direct Flights:

Southwest Airlines WN1624

18:35

Denver (DEN)

00:10(+1)

Philadelphia (PHL) E

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

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 3:35, non-stop
Boeing 737 MAX 8 (7M8)
The flight arrives 1 day after departure.

Direct Flights:

Southwest Airlines WN1626

16:35

Denver (DEN)

22:00

Philadelphia (PHL) E

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

Mon

Tue

Wed

Thu

Fri

Sat
-

Sun
-

Duration: 3:25, non-stop
Boeing 737-700 (Scimitar Winglets)

Direct Flights:

Southwest Airlines WN1626

16:35

Denver (DEN)

22:00

Philadelphia (PHL) E

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

Mon
-

Tue

Wed

Thu

Fri

Sat
-

Sun

Duration: 3:25, non-stop
Boeing 737-700 (Scimitar Winglets)

Direct Flights:

Southwest Airlines WN1626

16:35

Denver (DEN)

22:00

Philadelphia (PHL) E

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

Mon

Tue

Wed

Thu

Fri

Sat
-

Sun
-

Duration: 3:25, non-stop
Boeing 737-700 (Scimitar Winglets)

Direct Flights:

Southwest Airlines WN1626

16:35

Denver (DEN)

22:00

Philadelphia (PHL) E

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

Mon
-

Tue

Wed

Thu
-

Fri
-

Sat
-

Sun

Duration: 3:25, non-stop
Boeing 737-700 (Scimitar Winglets)

Direct Flights:

Southwest Airlines WN1626

16:35

Denver (DEN)

22:00

Philadelphia (PHL) E

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

Mon
-

Tue

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 3:25, non-stop
Boeing 737-700 (Scimitar Winglets)

Direct Flights:

Southwest Airlines WN1626

16:50

Denver (DEN)

22:15

Philadelphia (PHL) E

Effective 2026-02-05 through 2026-02-09

Mon

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun
-

Duration: 3:25, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

Southwest Airlines WN1626

16:50

Denver (DEN)

22:15

Philadelphia (PHL) E

Effective 2026-02-15 through 2026-02-19

Mon
-

Tue

Wed
-

Thu

Fri
-

Sat
-

Sun

Duration: 3:25, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

Southwest Airlines WN1626

16:50

Denver (DEN)

22:15

Philadelphia (PHL) E

Effective 2026-02-23 through 2026-03-02

Mon

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 3:25, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

Southwest Airlines WN1626

17:00

Denver (DEN)

22:25

Philadelphia (PHL) E

Effective 2026-01-11 through 2026-01-16

Mon
-

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun

Duration: 3:25, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

Southwest Airlines WN1626

17:00

Denver (DEN)

22:25

Philadelphia (PHL) E

Effective 2026-01-19 through 2026-01-25

Mon

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 3:25, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

Southwest Airlines WN1626

17:10

Denver (DEN)

22:30

Philadelphia (PHL) E

Operates only on 2026-02-01

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 3:20, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

Southwest Airlines WN1998

10:45

Denver (DEN)

16:15

Philadelphia (PHL) E

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

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 3:30, non-stop
Boeing 737-800 (73H)

Direct Flights:

Southwest Airlines WN1998

12:25

Denver (DEN)

17:55

Philadelphia (PHL) E

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

Mon

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun
-

Duration: 3:30, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

Southwest Airlines WN1998

12:35

Denver (DEN)

18:05

Philadelphia (PHL) E

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

Mon
-

Tue

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 3:30, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

Southwest Airlines WN2001

17:30

Denver (DEN)

23:00

Philadelphia (PHL) E

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

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 3:30, non-stop
Boeing 737-700 (Scimitar Winglets)

Direct Flights:

Southwest Airlines WN2001

18:10

Denver (DEN)

23:55

Philadelphia (PHL) E

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

Mon
-

Tue

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 3:45, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

Southwest Airlines WN2001

18:25

Denver (DEN)

00:05(+1)

Philadelphia (PHL) E

Operates only on 2026-05-24

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 3:40, non-stop
Boeing 737-800 (73H)
The flight arrives 1 day after departure.

Direct Flights:

Southwest Airlines WN2001

19:05

Denver (DEN)

00:35(+1)

Philadelphia (PHL) E

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

Mon

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun
-

Duration: 3:30, non-stop
Boeing 737-800 (73H)
The flight arrives 1 day after departure.

Direct Flights:

Southwest Airlines WN2001

19:45

Denver (DEN)

01:15(+1)

Philadelphia (PHL) E

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

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 3:30, non-stop
Boeing 737-800 (73H)
The flight arrives 1 day after departure.

Direct Flights:

Southwest Airlines WN2001

19:45

Denver (DEN)

01:15(+1)

Philadelphia (PHL) E

Operates only on 2026-05-31

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 3:30, non-stop
Boeing 737-800 (73H)
The flight arrives 1 day after departure.

Direct Flights:

Southwest Airlines WN2061

11:15

Denver (DEN)

16:45

Philadelphia (PHL) E

Effective 2026-02-14 through 2026-02-28

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 3:30, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

Southwest Airlines WN2585

09:55

Denver (DEN)

15:25

Philadelphia (PHL) E

Valid until 2026-01-04

Mon

Tue

Wed
-

Thu
-

Fri

Sat
-

Sun

Duration: 3:30, non-stop
Boeing 737-800 (73H)

Direct Flights:

Southwest Airlines WN2585

09:55

Denver (DEN)

15:25

Philadelphia (PHL) E

Operates only on 2026-01-05

Mon

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 3:30, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

Southwest Airlines WN2585

10:20

Denver (DEN)

15:45

Philadelphia (PHL) E

Valid until 2026-01-03

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 3:25, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

Southwest Airlines WN2585

17:25

Denver (DEN)

22:50

Philadelphia (PHL) E

Valid until 2026-01-01

Mon
-

Tue
-

Wed

Thu

Fri
-

Sat
-

Sun
-

Duration: 3:25, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

Southwest Airlines WN2586

14:00

Denver (DEN)

19:25

Philadelphia (PHL) E

Valid until 2026-01-04

Mon

Tue

Wed
-

Thu
-

Fri

Sat
-

Sun

Duration: 3:25, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

Southwest Airlines WN2586

14:55

Denver (DEN)

20:20

Philadelphia (PHL) E

Valid until 2026-01-03

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 3:25, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

Southwest Airlines WN2587

18:05

Denver (DEN)

23:35

Philadelphia (PHL) E

Valid until 2026-01-04

Mon

Tue

Wed
-

Thu
-

Fri

Sat
-

Sun

Duration: 3:30, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

Southwest Airlines WN2587

18:20

Denver (DEN)

23:45

Philadelphia (PHL) E

Operates only on 2026-01-05

Mon

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 3:25, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

Southwest Airlines WN2587

19:55

Denver (DEN)

01:20(+1)

Philadelphia (PHL) E

Valid until 2026-01-03

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 3:25, non-stop
Boeing 737 MAX 8 (7M8)
The flight arrives 1 day after departure.

Direct Flights:

Southwest Airlines WN2686

18:30

Denver (DEN)

00:05(+1)

Philadelphia (PHL) E

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

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 3:35, non-stop
Boeing 737 MAX 8 (7M8)
The flight arrives 1 day after departure.

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A domestic route departing from the Denver airport (DEN) and arriving at Philadelphia airport (PHL).
The flight distance is 1553 miles, or 2499 km.
The timezone of the departure airport is UTC-7 , and the timezone of the arrival airport is UTC-5 . Current time at the point of departure is (loading...), and (loading...) at the point of arrival. There is a (loading...) hour time difference between the airports.
For direct flights, the flight time varies between 3:20 and 3:45.

All DEN-PHL flights

All Southwest Airlines flights

Return (PHL-DEN) flights

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