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

FLIGHT SCHEDULE
Direct Flights:
Daily 13:45 Denver (DEN) 19:26 Philadelphia (PHL) D United Airlines UA 2234 Non-stop Boeing 737-800 (738) 3:41 Effective 2026-04-30 through 2026-05-20
Daily 13:55 Denver (DEN) 19:25 Philadelphia (PHL) D United Airlines UA 2234 Non-stop Boeing 737-800 (738) 3:30 Effective from 2026-10-25
Daily 08:53 Denver (DEN) 14:34 Philadelphia (PHL) American Airlines AA 2344 Non-stop Airbus A321 (321) 3:41 Effective 2026-08-05 through 2026-09-08
Daily 09:15 Denver (DEN) 14:55 Philadelphia (PHL) American Airlines AA 2344 Non-stop Airbus A321 (321) 3:40 Effective 2026-05-21 through 2026-07-01
Daily 09:16 Denver (DEN) 14:55 Philadelphia (PHL) American Airlines AA 2344 Non-stop Airbus A321 (321) 3:39 Effective 2026-07-02 through 2026-08-04
Daily 13:02 Denver (DEN) 18:53 Philadelphia (PHL) American Airlines AA 2491 Non-stop Boeing 737-800 (738) 3:51 Effective 2026-08-05 through 2026-09-08
Daily 14:38 Denver (DEN) 20:25 Philadelphia (PHL) American Airlines AA 2491 Non-stop Boeing 737-800 (738) 3:47 Effective 2026-09-09 through 2026-10-04
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.
Daily 06:00 Denver (DEN) 11:35 Philadelphia (PHL) American Airlines AA 2672 Non-stop Airbus A321 (321) 3:35 Effective 2026-01-07 through 2026-02-11
Daily 06:59 Denver (DEN) 12:40 Philadelphia (PHL) American Airlines AA 2672 Non-stop Airbus A321 (321) 3:41 Effective 2026-02-12 through 2026-03-07
Daily 07:00 Denver (DEN) 12:28 Philadelphia (PHL) American Airlines AA 2672 Non-stop Airbus A321 (321) 3:28 Valid until 2026-01-05
Daily 07:05 Denver (DEN) 12:37 Philadelphia (PHL) American Airlines AA 2672 Non-stop Airbus A321 (321) 3:32 Effective 2026-03-08 through 2026-04-06
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.
Mon,Thu,Fri 19:05 Denver (DEN) 00:40 Philadelphia (PHL) E Southwest Airlines WN 2686 Non-stop Boeing 737 MAX 8 (7M8) 3:35 Effective 2026-06-04 through 2026-08-03 The flight arrives 1 day after departure.
Tue,Wed 19:25 Denver (DEN) 01:00 Philadelphia (PHL) E Southwest Airlines WN 2686 Non-stop Boeing 737 MAX 8 (7M8) 3:35 Effective 2026-06-09 through 2026-07-29 The flight arrives 1 day after departure.
Sun 10:05 Denver (DEN) 15:45 Philadelphia (PHL) E Southwest Airlines WN 3157 Non-stop Boeing 737 MAX 8 (7M8) 3:40 Effective 2026-06-07 through 2026-08-02
Tue,Wed 10:15 Denver (DEN) 15:55 Philadelphia (PHL) E Southwest Airlines WN 3157 Non-stop Boeing 737-800 (73H) 3:40 Effective 2026-06-09 through 2026-07-29
Mon,Thu,Fri 10:30 Denver (DEN) 16:05 Philadelphia (PHL) E Southwest Airlines WN 3157 Non-stop Boeing 737-800 (73H) 3:35 Effective 2026-06-04 through 2026-08-03
Thu 10:55 Denver (DEN) 16:20 Philadelphia (PHL) E Southwest Airlines WN 3247 Non-stop Boeing 737-700 (73W) 3:25 Valid until 2026-01-01
Mon 13:55 Denver (DEN) 19:20 Philadelphia (PHL) E Southwest Airlines WN 3247 Non-stop Boeing 737 MAX 8 (7M8) 3:25 Operates only on 2026-01-05
Sat 13:00 Denver (DEN) 18:35 Philadelphia (PHL) E Southwest Airlines WN 3286 Non-stop Boeing 737 MAX 8 (7M8) 3:35 Effective 2026-06-06 through 2026-08-01
Mon,Thu,Fri 14:05 Denver (DEN) 19:45 Philadelphia (PHL) E Southwest Airlines WN 3286 Non-stop Boeing 737 MAX 8 (7M8) 3:40 Effective 2026-06-04 through 2026-08-03
Fri 06:10 Denver (DEN) 11:46 Philadelphia (PHL) E Frontier Airlines F9 3340 Non-stop Airbus A321 (321) 3:36 Operates only on 2026-01-09
Mon 06:10 Denver (DEN) 11:46 Philadelphia (PHL) E Frontier Airlines F9 3340 Non-stop Airbus A321neo (32Q) 3:36 Operates only on 2026-01-12
Mon,Fri 11:00 Denver (DEN) 16:32 Philadelphia (PHL) E Frontier Airlines F9 3340 Non-stop Airbus A320neo (32N) 3:32 Effective 2026-01-16 through 2026-01-19
Thu,Sun 11:05 Denver (DEN) 16:37 Philadelphia (PHL) E Frontier Airlines F9 3340 Non-stop Airbus A320neo (32N) 3:32 Effective 2026-02-12 through 2026-02-22
Mon,Thu,Sun 11:05 Denver (DEN) 16:37 Philadelphia (PHL) E Frontier Airlines F9 3340 Non-stop Airbus A320neo (32N) 3:32 Effective 2026-02-23 through 2026-03-05
Fri 12:25 Denver (DEN) 17:55 Philadelphia (PHL) E Frontier Airlines F9 3340 Non-stop Airbus A320neo (32N) 3:30 Effective 2026-02-13 through 2026-02-27
Mon 12:44 Denver (DEN) 18:14 Philadelphia (PHL) E Frontier Airlines F9 3340 Non-stop Airbus A320neo (32N) 3:30 Operates only on 2026-02-16
Mon,Thu-Sun 23:59 Denver (DEN) 05:31 Philadelphia (PHL) E Frontier Airlines F9 3340 Non-stop Airbus A321neo (32Q) 3:32 Valid until 2026-01-05 The flight arrives 1 day after departure.
Mon,Thu,Fri,Sun 23:59 Denver (DEN) 05:31 Philadelphia (PHL) E Frontier Airlines F9 3340 Non-stop Airbus A321neo (32Q) 3:32 Effective 2026-03-06 through 2026-03-23 The flight arrives 1 day after departure.
Mon,Thu,Fri,Sun 23:59 Denver (DEN) 05:27 Philadelphia (PHL) E Frontier Airlines F9 3340 Non-stop Airbus A321neo (32Q) 3:28 Effective 2026-03-26 through 2026-03-30 The flight arrives 1 day after departure.
Mon,Thu,Fri,Sun 23:59 Denver (DEN) 05:31 Philadelphia (PHL) E Frontier Airlines F9 3340 Non-stop Airbus A321neo (32Q) 3:32 Effective 2026-04-02 through 2026-04-13 The flight arrives 1 day after departure.
Sun 19:55 Denver (DEN) 01:30 Philadelphia (PHL) E Southwest Airlines WN 3839 Non-stop Boeing 737-800 (73H) 3:35 Effective 2026-06-07 through 2026-08-02 The flight arrives 1 day after departure.
Tue,Wed 12:25 Denver (DEN) 18:00 Philadelphia (PHL) E Southwest Airlines WN 4168 Non-stop Boeing 737-800 (73H) 3:35 Effective 2026-06-09 through 2026-07-29
Mon,Thu,Fri 09:30 Denver (DEN) 15:05 Philadelphia (PHL) E Southwest Airlines WN 4294 Non-stop Boeing 737-800 (73H) 3:35 Effective 2026-02-12 through 2026-02-16
Thu,Fri,Sun 09:30 Denver (DEN) 15:05 Philadelphia (PHL) E Southwest Airlines WN 4294 Non-stop Boeing 737-800 (73H) 3:35 Effective 2026-02-20 through 2026-03-01
Sat 10:00 Denver (DEN) 15:40 Philadelphia (PHL) E Southwest Airlines WN 4294 Non-stop Boeing 737-800 (73H) 3:40 Effective 2026-01-10 through 2026-02-07
Mon-Fri 10:50 Denver (DEN) 16:20 Philadelphia (PHL) E Southwest Airlines WN 4294 Non-stop Boeing 737-800 (73H) 3:30 Effective 2026-01-06 through 2026-01-14
Tue-Fri,Sun 10:50 Denver (DEN) 16:20 Philadelphia (PHL) E Southwest Airlines WN 4294 Non-stop Boeing 737-800 (73H) 3:30 Effective 2026-01-18 through 2026-01-23
Mon-Fri 10:50 Denver (DEN) 16:20 Philadelphia (PHL) E Southwest Airlines WN 4294 Non-stop Boeing 737-800 (73H) 3:30 Effective 2026-01-26 through 2026-02-04
Tue,Wed,Sun 10:50 Denver (DEN) 16:20 Philadelphia (PHL) E Southwest Airlines WN 4294 Non-stop Boeing 737-800 (73H) 3:30 Effective 2026-02-08 through 2026-02-11

1 2 3 4 5 6

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 3:59.

Return (PHL-DEN) flights

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

FLIGHT SCHEDULE

Direct Flights:

United Airlines UA2234

13:45

Denver (DEN)

19:26

Philadelphia (PHL) D

Effective 2026-04-30 through 2026-05-20

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 3:41, non-stop
Boeing 737-800 (738)

Direct Flights:

United Airlines UA2234

13:55

Denver (DEN)

19:25

Philadelphia (PHL) D

Effective from 2026-10-25

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 3:30, non-stop
Boeing 737-800 (738)

Direct Flights:

American Airlines AA2344

08:53

Denver (DEN)

14:34

Philadelphia (PHL)

Effective 2026-08-05 through 2026-09-08

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 3:41, non-stop
Airbus A321 (321)

Direct Flights:

American Airlines AA2344

09:15

Denver (DEN)

14:55

Philadelphia (PHL)

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

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 3:40, non-stop
Airbus A321 (321)

Direct Flights:

American Airlines AA2344

09:16

Denver (DEN)

14:55

Philadelphia (PHL)

Effective 2026-07-02 through 2026-08-04

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 3:39, non-stop
Airbus A321 (321)

Direct Flights:

American Airlines AA2491

13:02

Denver (DEN)

18:53

Philadelphia (PHL)

Effective 2026-08-05 through 2026-09-08

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 3:51, non-stop
Boeing 737-800 (738)

Direct Flights:

American Airlines AA2491

14:38

Denver (DEN)

20:25

Philadelphia (PHL)

Effective 2026-09-09 through 2026-10-04

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 3:47, non-stop
Boeing 737-800 (738)

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:

American Airlines AA2672

06:00

Denver (DEN)

11:35

Philadelphia (PHL)

Effective 2026-01-07 through 2026-02-11

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 3:35, non-stop
Airbus A321 (321)

Direct Flights:

American Airlines AA2672

06:59

Denver (DEN)

12:40

Philadelphia (PHL)

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

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 3:41, non-stop
Airbus A321 (321)

Direct Flights:

American Airlines AA2672

07:00

Denver (DEN)

12:28

Philadelphia (PHL)

Valid until 2026-01-05

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 3:28, non-stop
Airbus A321 (321)

Direct Flights:

American Airlines AA2672

07:05

Denver (DEN)

12:37

Philadelphia (PHL)

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

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 3:32, non-stop
Airbus A321 (321)

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.

Direct Flights:

Southwest Airlines WN2686

19:05

Denver (DEN)

00:40(+1)

Philadelphia (PHL) E

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

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 WN2686

19:25

Denver (DEN)

01:00(+1)

Philadelphia (PHL) E

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

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 WN3157

10:05

Denver (DEN)

15:45

Philadelphia (PHL) E

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

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 3:40, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

Southwest Airlines WN3157

10:15

Denver (DEN)

15:55

Philadelphia (PHL) E

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

Mon
-

Tue

Wed

Thu
-

Fri
-

Sat
-

Sun
-

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

Direct Flights:

Southwest Airlines WN3157

10:30

Denver (DEN)

16:05

Philadelphia (PHL) E

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

Mon

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun
-

Duration: 3:35, non-stop
Boeing 737-800 (73H)

Direct Flights:

Southwest Airlines WN3247

10:55

Denver (DEN)

16:20

Philadelphia (PHL) E

Valid until 2026-01-01

Mon
-

Tue
-

Wed
-

Thu

Fri
-

Sat
-

Sun
-

Duration: 3:25, non-stop
Boeing 737-700 (73W)

Direct Flights:

Southwest Airlines WN3247

13:55

Denver (DEN)

19:20

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 WN3286

13:00

Denver (DEN)

18:35

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)

Direct Flights:

Southwest Airlines WN3286

14:05

Denver (DEN)

19:45

Philadelphia (PHL) E

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

Mon

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun
-

Duration: 3:40, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

Frontier Airlines F93340

06:10

Denver (DEN)

11:46

Philadelphia (PHL) E

Operates only on 2026-01-09

Mon
-

Tue
-

Wed
-

Thu
-

Fri

Sat
-

Sun
-

Duration: 3:36, non-stop
Airbus A321 (321)

Direct Flights:

Frontier Airlines F93340

06:10

Denver (DEN)

11:46

Philadelphia (PHL) E

Operates only on 2026-01-12

Mon

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 3:36, non-stop
Airbus A321neo (32Q)

Direct Flights:

Frontier Airlines F93340

11:00

Denver (DEN)

16:32

Philadelphia (PHL) E

Effective 2026-01-16 through 2026-01-19

Mon

Tue
-

Wed
-

Thu
-

Fri

Sat
-

Sun
-

Duration: 3:32, non-stop
Airbus A320neo (32N)

Direct Flights:

Frontier Airlines F93340

11:05

Denver (DEN)

16:37

Philadelphia (PHL) E

Effective 2026-02-12 through 2026-02-22

Mon
-

Tue
-

Wed
-

Thu

Fri
-

Sat
-

Sun

Duration: 3:32, non-stop
Airbus A320neo (32N)

Direct Flights:

Frontier Airlines F93340

11:05

Denver (DEN)

16:37

Philadelphia (PHL) E

Effective 2026-02-23 through 2026-03-05

Mon

Tue
-

Wed
-

Thu

Fri
-

Sat
-

Sun

Duration: 3:32, non-stop
Airbus A320neo (32N)

Direct Flights:

Frontier Airlines F93340

12:25

Denver (DEN)

17:55

Philadelphia (PHL) E

Effective 2026-02-13 through 2026-02-27

Mon
-

Tue
-

Wed
-

Thu
-

Fri

Sat
-

Sun
-

Duration: 3:30, non-stop
Airbus A320neo (32N)

Direct Flights:

Frontier Airlines F93340

12:44

Denver (DEN)

18:14

Philadelphia (PHL) E

Operates only on 2026-02-16

Mon

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 3:30, non-stop
Airbus A320neo (32N)

Direct Flights:

Frontier Airlines F93340

23:59

Denver (DEN)

05:31(+1)

Philadelphia (PHL) E

Valid until 2026-01-05

Mon

Tue
-

Wed
-

Thu

Fri

Sat

Sun

Duration: 3:32, non-stop
Airbus A321neo (32Q)
The flight arrives 1 day after departure.

Direct Flights:

Frontier Airlines F93340

23:59

Denver (DEN)

05:31(+1)

Philadelphia (PHL) E

Effective 2026-03-06 through 2026-03-23

Mon

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun

Duration: 3:32, non-stop
Airbus A321neo (32Q)
The flight arrives 1 day after departure.

Direct Flights:

Frontier Airlines F93340

23:59

Denver (DEN)

05:27(+1)

Philadelphia (PHL) E

Effective 2026-03-26 through 2026-03-30

Mon

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun

Duration: 3:28, non-stop
Airbus A321neo (32Q)
The flight arrives 1 day after departure.

Direct Flights:

Frontier Airlines F93340

23:59

Denver (DEN)

05:31(+1)

Philadelphia (PHL) E

Effective 2026-04-02 through 2026-04-13

Mon

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun

Duration: 3:32, non-stop
Airbus A321neo (32Q)
The flight arrives 1 day after departure.

Direct Flights:

Southwest Airlines WN3839

19:55

Denver (DEN)

01:30(+1)

Philadelphia (PHL) E

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

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 3:35, non-stop
Boeing 737-800 (73H)
The flight arrives 1 day after departure.

Direct Flights:

Southwest Airlines WN4168

12:25

Denver (DEN)

18:00

Philadelphia (PHL) E

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

Mon
-

Tue

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 3:35, non-stop
Boeing 737-800 (73H)

Direct Flights:

Southwest Airlines WN4294

09:30

Denver (DEN)

15:05

Philadelphia (PHL) E

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

Mon

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun
-

Duration: 3:35, non-stop
Boeing 737-800 (73H)

Direct Flights:

Southwest Airlines WN4294

09:30

Denver (DEN)

15:05

Philadelphia (PHL) E

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

Mon
-

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun

Duration: 3:35, non-stop
Boeing 737-800 (73H)

Direct Flights:

Southwest Airlines WN4294

10:00

Denver (DEN)

15:40

Philadelphia (PHL) E

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

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

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

Direct Flights:

Southwest Airlines WN4294

10:50

Denver (DEN)

16:20

Philadelphia (PHL) E

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

Mon

Tue

Wed

Thu

Fri

Sat
-

Sun
-

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

Direct Flights:

Southwest Airlines WN4294

10:50

Denver (DEN)

16:20

Philadelphia (PHL) E

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

Mon
-

Tue

Wed

Thu

Fri

Sat
-

Sun

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

Direct Flights:

Southwest Airlines WN4294

10:50

Denver (DEN)

16:20

Philadelphia (PHL) E

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

Mon

Tue

Wed

Thu

Fri

Sat
-

Sun
-

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

Direct Flights:

Southwest Airlines WN4294

10:50

Denver (DEN)

16:20

Philadelphia (PHL) E

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

Mon
-

Tue

Wed

Thu
-

Fri
-

Sat
-

Sun

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

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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 3:59.

Return (PHL-DEN) flights

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