All airlines flying from Raleigh/Durham (RDU) to Denver (DEN).

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FLIGHT SCHEDULE
Direct Flights:
Tue,Wed 07:40 Raleigh/Durham (RDU) 1 09:30 Denver (DEN) Southwest Airlines WN 1428 Non-stop Boeing 737-800 (73H) 3:50 Effective 2025-10-07 through 2025-10-29
Tue,Wed 05:40 Raleigh/Durham (RDU) 1 07:25 Denver (DEN) Southwest Airlines WN 1445 Non-stop Boeing 737 MAX 8 (7M8) 3:45 Effective 2025-05-06 through 2025-06-04
Mon,Thu,Fri 18:40 Raleigh/Durham (RDU) 1 20:30 Denver (DEN) Southwest Airlines WN 1445 Non-stop Boeing 737-800 (73H) 3:50 Valid until 2025-06-02
Mon,Thu,Fri 18:15 Raleigh/Durham (RDU) 1 20:05 Denver (DEN) Southwest Airlines WN 1557 Non-stop Boeing 737-700 (Scimitar Winglets) 3:50 Effective 2025-10-02 through 2025-10-31
Sun 05:25 Raleigh/Durham (RDU) 1 07:10 Denver (DEN) Southwest Airlines WN 1697 Non-stop Boeing 737 MAX 8 (7M8) 3:45 Valid until 2025-05-18
Sun 05:25 Raleigh/Durham (RDU) 1 07:10 Denver (DEN) Southwest Airlines WN 1697 Non-stop Boeing 737 MAX 8 (7M8) 3:45 Operates only on 2025-06-01
Sat 07:00 Raleigh/Durham (RDU) 1 08:50 Denver (DEN) Southwest Airlines WN 1697 Non-stop Boeing 737 MAX 8 (7M8) 3:50 Valid until 2025-05-31
Mon,Thu,Fri 07:25 Raleigh/Durham (RDU) 1 09:15 Denver (DEN) Southwest Airlines WN 1697 Non-stop Boeing 737-700 (73W) 3:50 Valid until 2025-06-02
Sun 07:50 Raleigh/Durham (RDU) 1 09:40 Denver (DEN) Southwest Airlines WN 1697 Non-stop Boeing 737-700 (73W) 3:50 Operates only on 2025-05-25
Tue,Wed 18:55 Raleigh/Durham (RDU) 1 20:45 Denver (DEN) Southwest Airlines WN 1697 Non-stop Boeing 737 MAX 8 (7M8) 3:50 Valid until 2025-06-04
Sat 05:00 Raleigh/Durham (RDU) 1 06:55 Denver (DEN) Southwest Airlines WN 1950 Non-stop Boeing 737-800 (73H) 3:55 Effective 2025-11-08 through 2025-11-15
Sat 05:00 Raleigh/Durham (RDU) 1 06:55 Denver (DEN) Southwest Airlines WN 1950 Non-stop Boeing 737-800 (73H) 3:55 Effective 2025-12-06 through 2025-12-13
Sun 06:20 Raleigh/Durham (RDU) 1 08:15 Denver (DEN) Southwest Airlines WN 1950 Non-stop Boeing 737-800 (73H) 3:55 Operates only on 2025-11-30
Sat 06:45 Raleigh/Durham (RDU) 1 08:45 Denver (DEN) Southwest Airlines WN 1950 Non-stop Boeing 737-700 (Scimitar Winglets) 4:00 Effective 2025-11-22 through 2025-11-29
Sat 06:45 Raleigh/Durham (RDU) 1 08:45 Denver (DEN) Southwest Airlines WN 1950 Non-stop Boeing 737-700 (Scimitar Winglets) 4:00 Effective 2025-12-20 through 2026-01-03
Mon-Wed 07:05 Raleigh/Durham (RDU) 1 09:00 Denver (DEN) Southwest Airlines WN 1950 Non-stop Boeing 737-800 (73H) 3:55 Effective 2025-11-25 through 2025-12-01
Mon,Tue,Fri,Sun 07:05 Raleigh/Durham (RDU) 1 09:00 Denver (DEN) Southwest Airlines WN 1950 Non-stop Boeing 737-800 (73H) 3:55 Effective 2025-12-19 through 2026-01-04
Mon,Thu,Fri,Sun 07:10 Raleigh/Durham (RDU) 1 09:05 Denver (DEN) Southwest Airlines WN 1950 Non-stop Boeing 737-800 (73H) 3:55 Effective 2025-11-02 through 2025-11-16
Mon,Fri,Sun 07:10 Raleigh/Durham (RDU) 1 09:05 Denver (DEN) Southwest Airlines WN 1950 Non-stop Boeing 737-800 (73H) 3:55 Effective 2025-11-21 through 2025-11-28
Fri,Sun 07:10 Raleigh/Durham (RDU) 1 09:05 Denver (DEN) Southwest Airlines WN 1950 Non-stop Boeing 737-800 (73H) 3:55 Effective 2025-12-07 through 2025-12-14
Thu 07:10 Raleigh/Durham (RDU) 1 09:05 Denver (DEN) Southwest Airlines WN 1950 Non-stop Boeing 737-800 (73H) 3:55 Operates only on 2025-12-18
Mon 07:10 Raleigh/Durham (RDU) 1 09:05 Denver (DEN) Southwest Airlines WN 1950 Non-stop Boeing 737-800 (73H) 3:55 Operates only on 2026-01-05
Tue,Wed 16:35 Raleigh/Durham (RDU) 1 18:25 Denver (DEN) Southwest Airlines WN 1950 Non-stop Boeing 737 MAX 8 (7M8) 3:50 Effective 2025-11-04 through 2025-11-12
Mon-Thu 16:35 Raleigh/Durham (RDU) 1 18:25 Denver (DEN) Southwest Airlines WN 1950 Non-stop Boeing 737 MAX 8 (7M8) 3:50 Effective 2025-11-17 through 2025-11-20
Mon-Fri 16:35 Raleigh/Durham (RDU) 1 18:25 Denver (DEN) Southwest Airlines WN 1950 Non-stop Boeing 737 MAX 8 (7M8) 3:50 Effective 2025-12-02 through 2025-12-11
Mon-Wed 16:35 Raleigh/Durham (RDU) 1 18:25 Denver (DEN) Southwest Airlines WN 1950 Non-stop Boeing 737 MAX 8 (7M8) 3:50 Effective 2025-12-15 through 2025-12-17
Wed,Thu 16:35 Raleigh/Durham (RDU) 1 18:25 Denver (DEN) Southwest Airlines WN 1950 Non-stop Boeing 737 MAX 8 (7M8) 3:50 Effective 2025-12-24 through 2026-01-01
Tue,Wed 07:50 Raleigh/Durham (RDU) 1 09:30 Denver (DEN) Southwest Airlines WN 2062 Non-stop Boeing 737-800 (73H) 3:40 Effective 2025-08-05 through 2025-10-01
Sun 13:20 Raleigh/Durham (RDU) 1 15:00 Denver (DEN) Southwest Airlines WN 2062 Non-stop Boeing 737 MAX 8 (7M8) 3:40 Operates only on 2025-08-31
Mon,Thu,Fri 19:10 Raleigh/Durham (RDU) 1 20:50 Denver (DEN) Southwest Airlines WN 2062 Non-stop Boeing 737-800 (73H) 3:40 Effective 2025-08-07 through 2025-09-29
Sun 19:50 Raleigh/Durham (RDU) 1 21:30 Denver (DEN) Southwest Airlines WN 2062 Non-stop Boeing 737 MAX 8 (7M8) 3:40 Effective 2025-08-10 through 2025-08-24
Sun 19:50 Raleigh/Durham (RDU) 1 21:30 Denver (DEN) Southwest Airlines WN 2062 Non-stop Boeing 737 MAX 8 (7M8) 3:40 Effective 2025-09-07 through 2025-09-28
Sat 07:00 Raleigh/Durham (RDU) 2 08:51 Denver (DEN) United Airlines UA 2082 Non-stop Boeing 737 MAX 8 (7M8) 3:51 Effective 2025-08-02 through 2025-08-16
Sun 07:00 Raleigh/Durham (RDU) 2 08:51 Denver (DEN) United Airlines UA 2082 Non-stop Boeing 737 MAX 9 (7M9) 3:51 Effective 2025-08-03 through 2025-08-17
Mon-Fri 08:15 Raleigh/Durham (RDU) 2 10:06 Denver (DEN) United Airlines UA 2082 Non-stop Boeing 737 MAX 8 (7M8) 3:51 Effective 2025-08-01 through 2025-08-18
Mon,Thu-Sun 17:17 Raleigh/Durham (RDU) 2 19:21 Denver (DEN) Frontier Airlines F9 2225 Non-stop Airbus A320neo (32N) 4:04 Effective 2025-05-22 through 2025-05-31
Mon,Thu-Sun 17:23 Raleigh/Durham (RDU) 2 19:21 Denver (DEN) Frontier Airlines F9 2225 Non-stop Airbus A320neo (32N) 3:58 Effective 2025-06-01 through 2025-06-13
Sat 17:23 Raleigh/Durham (RDU) 2 19:21 Denver (DEN) Frontier Airlines F9 2225 Non-stop Airbus A320 (320) 3:58 Effective 2025-06-14 through 2025-06-28
Mon,Tue,Thu,Fri,Sun 17:23 Raleigh/Durham (RDU) 2 19:21 Denver (DEN) Frontier Airlines F9 2225 Non-stop Airbus A320neo (32N) 3:58 Effective 2025-06-15 through 2025-07-04
Sat 17:23 Raleigh/Durham (RDU) 2 19:17 Denver (DEN) Frontier Airlines F9 2225 Non-stop Airbus A320 (320) 3:54 Effective 2025-07-05 through 2025-08-16
Mon,Tue,Thu,Fri,Sun 17:23 Raleigh/Durham (RDU) 2 19:17 Denver (DEN) Frontier Airlines F9 2225 Non-stop Airbus A320neo (32N) 3:54 Effective 2025-07-06 through 2025-08-18
Mon,Fri 17:28 Raleigh/Durham (RDU) 2 19:32 Denver (DEN) Frontier Airlines F9 2225 Non-stop Airbus A321 (321) 4:04 Effective 2025-05-02 through 2025-05-05
Fri 17:28 Raleigh/Durham (RDU) 2 19:32 Denver (DEN) Frontier Airlines F9 2225 Non-stop Airbus A321neo (32Q) 4:04 Operates only on 2025-05-09
Mon 17:28 Raleigh/Durham (RDU) 2 19:32 Denver (DEN) Frontier Airlines F9 2225 Non-stop Airbus A321 (321) 4:04 Effective 2025-05-12 through 2025-05-19
Fri 17:28 Raleigh/Durham (RDU) 2 19:32 Denver (DEN) Frontier Airlines F9 2225 Non-stop Airbus A320neo (32N) 4:04 Operates only on 2025-05-16
Wed 17:37 Raleigh/Durham (RDU) 2 19:41 Denver (DEN) Frontier Airlines F9 2225 Non-stop Airbus A320neo (32N) 4:04 Effective 2025-05-07 through 2025-05-21
Daily 16:00 Raleigh/Durham (RDU) 2 17:59 Denver (DEN) United Airlines UA 2288 Non-stop Boeing 737-800 (738) 3:59 Effective 2025-08-19 through 2025-09-24
Daily 16:00 Raleigh/Durham (RDU) 2 17:59 Denver (DEN) United Airlines UA 2288 Non-stop Boeing 737-800 (738) 3:59 Effective from 2025-10-26
Tue 16:10 Raleigh/Durham (RDU) 2 18:15 Denver (DEN) United Airlines UA 2288 Non-stop Boeing 737 MAX 8 (7M8) 4:05 Effective 2025-05-06 through 2025-05-20
Mon,Wed-Fri,Sun 16:15 Raleigh/Durham (RDU) 2 18:20 Denver (DEN) United Airlines UA 2288 Non-stop Boeing 737-900 (739) 4:05 Valid until 2025-05-19

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Parallax here RDU-DEN

1 2 3

A domestic route departing from the Raleigh/Durham airport (RDU) and arriving at Denver airport (DEN).
The flight distance is 1433 miles, or 2305 km.
The timezone of the departure airport is UTC-5 , and the timezone of the arrival airport is UTC-7 . 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 3:35 and 4:05.

Return (DEN-RDU) flights

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All airlines flying from Raleigh/Durham (RDU) to Denver (DEN).

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FLIGHT SCHEDULE

Direct Flights:

Southwest Airlines WN1428

07:40

Raleigh/Durham (RDU) 1

09:30

Denver (DEN)

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

Mon
-

Tue

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 3:50, non-stop
Boeing 737-800 (73H)

Southwest Airlines WN1445

05:40

Raleigh/Durham (RDU) 1

07:25

Denver (DEN)

Effective 2025-05-06 through 2025-06-04

Mon
-

Tue

Wed

Thu
-

Fri
-

Sat
-

Sun
-

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

Southwest Airlines WN1445

18:40

Raleigh/Durham (RDU) 1

20:30

Denver (DEN)

Valid until 2025-06-02

Mon

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun
-

Duration: 3:50, non-stop
Boeing 737-800 (73H)

Southwest Airlines WN1557

18:15

Raleigh/Durham (RDU) 1

20:05

Denver (DEN)

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

Mon

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun
-

Duration: 3:50, non-stop
Boeing 737-700 (Scimitar Winglets)

Southwest Airlines WN1697

05:25

Raleigh/Durham (RDU) 1

07:10

Denver (DEN)

Valid until 2025-05-18

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

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

Southwest Airlines WN1697

05:25

Raleigh/Durham (RDU) 1

07:10

Denver (DEN)

Operates only on 2025-06-01

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

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

Southwest Airlines WN1697

07:00

Raleigh/Durham (RDU) 1

08:50

Denver (DEN)

Valid until 2025-05-31

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 3:50, non-stop
Boeing 737 MAX 8 (7M8)

Southwest Airlines WN1697

07:25

Raleigh/Durham (RDU) 1

09:15

Denver (DEN)

Valid until 2025-06-02

Mon

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun
-

Duration: 3:50, non-stop
Boeing 737-700 (73W)

Southwest Airlines WN1697

07:50

Raleigh/Durham (RDU) 1

09:40

Denver (DEN)

Operates only on 2025-05-25

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 3:50, non-stop
Boeing 737-700 (73W)

Southwest Airlines WN1697

18:55

Raleigh/Durham (RDU) 1

20:45

Denver (DEN)

Valid until 2025-06-04

Mon
-

Tue

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 3:50, non-stop
Boeing 737 MAX 8 (7M8)

Southwest Airlines WN1950

05:00

Raleigh/Durham (RDU) 1

06:55

Denver (DEN)

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

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 3:55, non-stop
Boeing 737-800 (73H)

Southwest Airlines WN1950

05:00

Raleigh/Durham (RDU) 1

06:55

Denver (DEN)

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

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 3:55, non-stop
Boeing 737-800 (73H)

Southwest Airlines WN1950

06:20

Raleigh/Durham (RDU) 1

08:15

Denver (DEN)

Operates only on 2025-11-30

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 3:55, non-stop
Boeing 737-800 (73H)

Southwest Airlines WN1950

06:45

Raleigh/Durham (RDU) 1

08:45

Denver (DEN)

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

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 4:00, non-stop
Boeing 737-700 (Scimitar Winglets)

Southwest Airlines WN1950

06:45

Raleigh/Durham (RDU) 1

08:45

Denver (DEN)

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

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 4:00, non-stop
Boeing 737-700 (Scimitar Winglets)

Southwest Airlines WN1950

07:05

Raleigh/Durham (RDU) 1

09:00

Denver (DEN)

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

Mon

Tue

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 3:55, non-stop
Boeing 737-800 (73H)

Southwest Airlines WN1950

07:05

Raleigh/Durham (RDU) 1

09:00

Denver (DEN)

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

Mon

Tue

Wed
-

Thu
-

Fri

Sat
-

Sun

Duration: 3:55, non-stop
Boeing 737-800 (73H)

Southwest Airlines WN1950

07:10

Raleigh/Durham (RDU) 1

09:05

Denver (DEN)

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

Mon

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun

Duration: 3:55, non-stop
Boeing 737-800 (73H)

Southwest Airlines WN1950

07:10

Raleigh/Durham (RDU) 1

09:05

Denver (DEN)

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

Mon

Tue
-

Wed
-

Thu
-

Fri

Sat
-

Sun

Duration: 3:55, non-stop
Boeing 737-800 (73H)

Southwest Airlines WN1950

07:10

Raleigh/Durham (RDU) 1

09:05

Denver (DEN)

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

Mon
-

Tue
-

Wed
-

Thu
-

Fri

Sat
-

Sun

Duration: 3:55, non-stop
Boeing 737-800 (73H)

Southwest Airlines WN1950

07:10

Raleigh/Durham (RDU) 1

09:05

Denver (DEN)

Operates only on 2025-12-18

Mon
-

Tue
-

Wed
-

Thu

Fri
-

Sat
-

Sun
-

Duration: 3:55, non-stop
Boeing 737-800 (73H)

Southwest Airlines WN1950

07:10

Raleigh/Durham (RDU) 1

09:05

Denver (DEN)

Operates only on 2026-01-05

Mon

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 3:55, non-stop
Boeing 737-800 (73H)

Southwest Airlines WN1950

16:35

Raleigh/Durham (RDU) 1

18:25

Denver (DEN)

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

Mon
-

Tue

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 3:50, non-stop
Boeing 737 MAX 8 (7M8)

Southwest Airlines WN1950

16:35

Raleigh/Durham (RDU) 1

18:25

Denver (DEN)

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

Mon

Tue

Wed

Thu

Fri
-

Sat
-

Sun
-

Duration: 3:50, non-stop
Boeing 737 MAX 8 (7M8)

Southwest Airlines WN1950

16:35

Raleigh/Durham (RDU) 1

18:25

Denver (DEN)

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

Mon

Tue

Wed

Thu

Fri

Sat
-

Sun
-

Duration: 3:50, non-stop
Boeing 737 MAX 8 (7M8)

Southwest Airlines WN1950

16:35

Raleigh/Durham (RDU) 1

18:25

Denver (DEN)

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

Mon

Tue

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 3:50, non-stop
Boeing 737 MAX 8 (7M8)

Southwest Airlines WN1950

16:35

Raleigh/Durham (RDU) 1

18:25

Denver (DEN)

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

Mon
-

Tue
-

Wed

Thu

Fri
-

Sat
-

Sun
-

Duration: 3:50, non-stop
Boeing 737 MAX 8 (7M8)

Southwest Airlines WN2062

07:50

Raleigh/Durham (RDU) 1

09:30

Denver (DEN)

Effective 2025-08-05 through 2025-10-01

Mon
-

Tue

Wed

Thu
-

Fri
-

Sat
-

Sun
-

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

Southwest Airlines WN2062

13:20

Raleigh/Durham (RDU) 1

15:00

Denver (DEN)

Operates only on 2025-08-31

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

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

Southwest Airlines WN2062

19:10

Raleigh/Durham (RDU) 1

20:50

Denver (DEN)

Effective 2025-08-07 through 2025-09-29

Mon

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun
-

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

Southwest Airlines WN2062

19:50

Raleigh/Durham (RDU) 1

21:30

Denver (DEN)

Effective 2025-08-10 through 2025-08-24

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

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

Southwest Airlines WN2062

19:50

Raleigh/Durham (RDU) 1

21:30

Denver (DEN)

Effective 2025-09-07 through 2025-09-28

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

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

United Airlines UA2082

07:00

Raleigh/Durham (RDU) 2

08:51

Denver (DEN)

Effective 2025-08-02 through 2025-08-16

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 3:51, non-stop
Boeing 737 MAX 8 (7M8)

United Airlines UA2082

07:00

Raleigh/Durham (RDU) 2

08:51

Denver (DEN)

Effective 2025-08-03 through 2025-08-17

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 3:51, non-stop
Boeing 737 MAX 9 (7M9)

United Airlines UA2082

08:15

Raleigh/Durham (RDU) 2

10:06

Denver (DEN)

Effective 2025-08-01 through 2025-08-18

Mon

Tue

Wed

Thu

Fri

Sat
-

Sun
-

Duration: 3:51, non-stop
Boeing 737 MAX 8 (7M8)

Frontier Airlines F92225

17:17

Raleigh/Durham (RDU) 2

19:21

Denver (DEN)

Effective 2025-05-22 through 2025-05-31

Mon

Tue
-

Wed
-

Thu

Fri

Sat

Sun

Duration: 4:04, non-stop
Airbus A320neo (32N)

Frontier Airlines F92225

17:23

Raleigh/Durham (RDU) 2

19:21

Denver (DEN)

Effective 2025-06-01 through 2025-06-13

Mon

Tue
-

Wed
-

Thu

Fri

Sat

Sun

Duration: 3:58, non-stop
Airbus A320neo (32N)

Frontier Airlines F92225

17:23

Raleigh/Durham (RDU) 2

19:21

Denver (DEN)

Effective 2025-06-14 through 2025-06-28

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 3:58, non-stop
Airbus A320 (320)

Frontier Airlines F92225

17:23

Raleigh/Durham (RDU) 2

19:21

Denver (DEN)

Effective 2025-06-15 through 2025-07-04

Mon

Tue

Wed
-

Thu

Fri

Sat
-

Sun

Duration: 3:58, non-stop
Airbus A320neo (32N)

Frontier Airlines F92225

17:23

Raleigh/Durham (RDU) 2

19:17

Denver (DEN)

Effective 2025-07-05 through 2025-08-16

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 3:54, non-stop
Airbus A320 (320)

Frontier Airlines F92225

17:23

Raleigh/Durham (RDU) 2

19:17

Denver (DEN)

Effective 2025-07-06 through 2025-08-18

Mon

Tue

Wed
-

Thu

Fri

Sat
-

Sun

Duration: 3:54, non-stop
Airbus A320neo (32N)

Frontier Airlines F92225

17:28

Raleigh/Durham (RDU) 2

19:32

Denver (DEN)

Effective 2025-05-02 through 2025-05-05

Mon

Tue
-

Wed
-

Thu
-

Fri

Sat
-

Sun
-

Duration: 4:04, non-stop
Airbus A321 (321)

Frontier Airlines F92225

17:28

Raleigh/Durham (RDU) 2

19:32

Denver (DEN)

Operates only on 2025-05-09

Mon
-

Tue
-

Wed
-

Thu
-

Fri

Sat
-

Sun
-

Duration: 4:04, non-stop
Airbus A321neo (32Q)

Frontier Airlines F92225

17:28

Raleigh/Durham (RDU) 2

19:32

Denver (DEN)

Effective 2025-05-12 through 2025-05-19

Mon

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 4:04, non-stop
Airbus A321 (321)

Frontier Airlines F92225

17:28

Raleigh/Durham (RDU) 2

19:32

Denver (DEN)

Operates only on 2025-05-16

Mon
-

Tue
-

Wed
-

Thu
-

Fri

Sat
-

Sun
-

Duration: 4:04, non-stop
Airbus A320neo (32N)

Frontier Airlines F92225

17:37

Raleigh/Durham (RDU) 2

19:41

Denver (DEN)

Effective 2025-05-07 through 2025-05-21

Mon
-

Tue
-

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 4:04, non-stop
Airbus A320neo (32N)

United Airlines UA2288

16:00

Raleigh/Durham (RDU) 2

17:59

Denver (DEN)

Effective 2025-08-19 through 2025-09-24

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 3:59, non-stop
Boeing 737-800 (738)

United Airlines UA2288

16:00

Raleigh/Durham (RDU) 2

17:59

Denver (DEN)

Effective from 2025-10-26

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 3:59, non-stop
Boeing 737-800 (738)

United Airlines UA2288

16:10

Raleigh/Durham (RDU) 2

18:15

Denver (DEN)

Effective 2025-05-06 through 2025-05-20

Mon
-

Tue

Wed
-

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 4:05, non-stop
Boeing 737 MAX 8 (7M8)

United Airlines UA2288

16:15

Raleigh/Durham (RDU) 2

18:20

Denver (DEN)

Valid until 2025-05-19

Mon

Tue
-

Wed

Thu

Fri

Sat
-

Sun

Duration: 4:05, non-stop
Boeing 737-900 (739)

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A domestic route departing from the Raleigh/Durham airport (RDU) and arriving at Denver airport (DEN).
The flight distance is 1433 miles, or 2305 km.
The timezone of the departure airport is UTC-5 , and the timezone of the arrival airport is UTC-7 . 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 3:35 and 4:05.

Return (DEN-RDU) flights

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