United Airlines flights from Raleigh/Durham (RDU) to Denver (DEN).

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Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Daily 10:20 Raleigh/Durham (RDU) 2 12:19 Denver (DEN)
United Airlines UA 677 Non-stop Boeing 737-800 (738) 3:59 Effective 2026-05-21 through 2026-08-17
Tue 08:03 Raleigh/Durham (RDU) 2 10:13 Denver (DEN)
United Airlines UA 1022 Non-stop Boeing 737 MAX 9 (7M9) 4:10 Operates only on 2026-01-06
Daily 08:03 Raleigh/Durham (RDU) 2 10:13 Denver (DEN)
United Airlines UA 1022 Non-stop Boeing 737-900 (739) 4:10 Effective 2026-01-07 through 2026-02-03
Daily 08:03 Raleigh/Durham (RDU) 2 10:13 Denver (DEN)
United Airlines UA 1022 Non-stop Boeing 737-900 (739) 4:10 Effective 2026-02-05 through 2026-02-11
Daily 08:00 Raleigh/Durham (RDU) 2 10:03 Denver (DEN)
United Airlines UA 1302 Non-stop Boeing 737-800 (738) 4:03 Effective 2026-04-30 through 2026-05-20
Daily 08:03 Raleigh/Durham (RDU) 2 10:06 Denver (DEN)
United Airlines UA 1302 Non-stop Boeing 737-800 (738) 4:03 Effective 2026-03-29 through 2026-04-29
Daily 08:15 Raleigh/Durham (RDU) 2 10:14 Denver (DEN)
United Airlines UA 1302 Non-stop Boeing 737-800 (738) 3:59 Effective from 2026-05-21
Daily 08:04 Raleigh/Durham (RDU) 2 10:16 Denver (DEN)
United Airlines UA 1772 Non-stop Airbus A319 (319) 4:12 Valid until 2026-01-05
Daily 08:00 Raleigh/Durham (RDU) 2 10:12 Denver (DEN)
United Airlines UA 2270 Non-stop Boeing 737 MAX 8 (7M8) 4:12 Effective 2026-02-12 through 2026-03-04
Daily 08:00 Raleigh/Durham (RDU) 2 10:12 Denver (DEN)
United Airlines UA 2270 Non-stop Boeing 737-800 (738) 4:12 Effective 2026-03-05 through 2026-03-28
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 2026-05-21
Mon-Fri 16:06 Raleigh/Durham (RDU) 2 18:18 Denver (DEN)
United Airlines UA 2288 Non-stop Boeing 737 MAX 8 (7M8) 4:12 Effective 2026-02-12 through 2026-03-04
Sat 16:06 Raleigh/Durham (RDU) 2 18:18 Denver (DEN)
United Airlines UA 2288 Non-stop Boeing 737-800 (738) 4:12 Effective 2026-02-14 through 2026-02-28
Sun 16:06 Raleigh/Durham (RDU) 2 18:18 Denver (DEN)
United Airlines UA 2288 Non-stop Boeing 737-900 (739) 4:12 Effective 2026-02-15 through 2026-03-01
Tue 16:07 Raleigh/Durham (RDU) 2 18:18 Denver (DEN)
United Airlines UA 2288 Non-stop Boeing 737-800 (738) 4:11 Operates only on 2026-01-06
Mon-Fri,Sun 16:07 Raleigh/Durham (RDU) 2 18:18 Denver (DEN)
United Airlines UA 2288 Non-stop Boeing 737 MAX 8 (7M8) 4:11 Effective 2026-01-07 through 2026-02-04
Sat 16:07 Raleigh/Durham (RDU) 2 18:18 Denver (DEN)
United Airlines UA 2288 Non-stop Boeing 737-900 (739) 4:11 Effective 2026-01-10 through 2026-02-07
Thu 16:07 Raleigh/Durham (RDU) 2 18:15 Denver (DEN)
United Airlines UA 2288 Non-stop Boeing 737-800 (738) 4:08 Operates only on 2026-02-05
Mon-Wed,Fri,Sun 16:07 Raleigh/Durham (RDU) 2 18:18 Denver (DEN)
United Airlines UA 2288 Non-stop Boeing 737 MAX 8 (7M8) 4:11 Effective 2026-02-06 through 2026-02-11
Daily 16:07 Raleigh/Durham (RDU) 2 18:19 Denver (DEN)
United Airlines UA 2288 Non-stop Boeing 737-800 (738) 4:12 Effective 2026-03-29 through 2026-04-29
Daily 16:12 Raleigh/Durham (RDU) 2 18:20 Denver (DEN)
United Airlines UA 2288 Non-stop Boeing 737-800 (738) 4:08 Effective 2026-03-05 through 2026-03-28
Daily 16:13 Raleigh/Durham (RDU) 2 18:25 Denver (DEN)
United Airlines UA 2288 Non-stop Boeing 737-900 (739) 4:12 Effective 2026-04-30 through 2026-05-20
Daily 16:14 Raleigh/Durham (RDU) 2 18:25 Denver (DEN)
United Airlines UA 2288 Non-stop Boeing 737-900 (739) 4:11 Valid until 2026-01-04
Mon 16:14 Raleigh/Durham (RDU) 2 18:25 Denver (DEN)
United Airlines UA 2288 Non-stop Airbus A320 (320) 4:11 Operates only on 2026-01-05
Non-Direct Flights:
Daily 06:05 Raleigh/Durham (RDU) 2 14:59 Denver (DEN)
United Airlines UA 1604 1-stop Boeing 737 MAX 8 (7M8) 10:54 Effective 2026-04-30 through 2026-05-20
Daily 06:15 Raleigh/Durham (RDU) 2 14:32 Denver (DEN)
United Airlines UA 1604 1-stop Boeing 737 MAX 8 (7M8) 10:17 Effective 2026-03-29 through 2026-04-29
Daily 06:15 Raleigh/Durham (RDU) 2 13:58 Denver (DEN)
United Airlines UA 1604 1-stop Boeing 737 MAX 9 (7M9) 9:43 Effective 2026-05-21 through 2026-08-10
Daily 06:15 Raleigh/Durham (RDU) 2 14:32 Denver (DEN)
United Airlines UA 1604 1-stop Boeing 737 MAX 8 (7M8) 10:17 Effective from 2026-08-11
Mon-Fri,Sun 09:00 Raleigh/Durham (RDU) 2 14:49 Denver (DEN)
United Airlines UA 1999 1-stop Boeing 737 MAX 8 (7M8) 7:49 Effective 2026-03-05 through 2026-03-27
Daily 05:30 Raleigh/Durham (RDU) 2 14:58 Denver (DEN)
United Airlines UA 1789 2-stop Boeing 737-700 (73G) 11:28 Effective 2026-05-21 through 2026-08-17
Daily 06:00 Raleigh/Durham (RDU) 2 14:46 Denver (DEN)
United Airlines UA 1789 2-stop Boeing 737-700 (73G) 10:46 Effective 2026-04-30 through 2026-05-20
Daily 06:00 Raleigh/Durham (RDU) 2 14:51 Denver (DEN)
United Airlines UA 1789 2-stop Boeing 737-700 (73G) 10:51 Effective from 2026-10-25
Daily 06:08 Raleigh/Durham (RDU) 2 14:42 Denver (DEN)
United Airlines UA 1789 2-stop Boeing 737-700 (73G) 10:34 Effective 2026-03-29 through 2026-04-29
Tue,Wed 06:10 Raleigh/Durham (RDU) 2 14:43 Denver (DEN)
United Airlines UA 1789 2-stop Boeing 737-700 (73G) 10:33 Effective 2026-03-10 through 2026-03-25
Mon,Thu,Fri 06:15 Raleigh/Durham (RDU) 2 14:43 Denver (DEN)
United Airlines UA 1789 2-stop Boeing 737-700 (73G) 10:28 Effective 2026-03-05 through 2026-03-13
Sun 06:15 Raleigh/Durham (RDU) 2 14:43 Denver (DEN)
United Airlines UA 1789 2-stop Boeing 737-800 (738) 10:28 Operates only on 2026-03-08
Mon,Thu,Fri,Sun 06:15 Raleigh/Durham (RDU) 2 14:43 Denver (DEN)
United Airlines UA 1789 2-stop Boeing 737-700 (73G) 10:28 Effective 2026-03-15 through 2026-03-27
Sun 11:15 Raleigh/Durham (RDU) 2 21:55 Denver (DEN)
United Airlines UA 2289 2-stop Airbus A319 (319) 12:40 Operates only on 2026-01-11
Sun 11:15 Raleigh/Durham (RDU) 2 21:55 Denver (DEN)
United Airlines UA 2289 2-stop Airbus A319 (319) 12:40 Effective 2026-01-25 through 2026-02-08
Thu 11:18 Raleigh/Durham (RDU) 2 21:55 Denver (DEN)
United Airlines UA 2289 2-stop Boeing 737-900 (739) 12:37 Operates only on 2026-01-08
Thu 11:18 Raleigh/Durham (RDU) 2 21:55 Denver (DEN)
United Airlines UA 2289 2-stop Boeing 737 MAX 9 (7M9) 12:37 Effective 2026-01-15 through 2026-02-05
Mon 11:18 Raleigh/Durham (RDU) 2 21:55 Denver (DEN)
United Airlines UA 2289 2-stop Airbus A319 (319) 12:37 Operates only on 2026-01-19
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United Airlines flights from Raleigh/Durham (RDU) to Denver (DEN).
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Select flight date:
FLIGHT SCHEDULE
Direct Flights:
United Airlines UA677
10:20
Raleigh/Durham (RDU) 2

12:19
Denver (DEN)
Effective 2026-05-21 through 2026-08-17
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 3:59, non-stop
Boeing 737-800 (738)
Direct Flights:
United Airlines UA1022
08:03
Raleigh/Durham (RDU) 2

10:13
Denver (DEN)
Operates only on 2026-01-06
Mon
-
Tue
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 4:10, non-stop
Boeing 737 MAX 9 (7M9)
Direct Flights:
United Airlines UA1022
08:03
Raleigh/Durham (RDU) 2

10:13
Denver (DEN)
Effective 2026-01-07 through 2026-02-03
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 4:10, non-stop
Boeing 737-900 (739)
Direct Flights:
United Airlines UA1022
08:03
Raleigh/Durham (RDU) 2

10:13
Denver (DEN)
Effective 2026-02-05 through 2026-02-11
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 4:10, non-stop
Boeing 737-900 (739)
Direct Flights:
United Airlines UA1302
08:00
Raleigh/Durham (RDU) 2

10:03
Denver (DEN)
Effective 2026-04-30 through 2026-05-20
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 4:03, non-stop
Boeing 737-800 (738)
Direct Flights:
United Airlines UA1302
08:03
Raleigh/Durham (RDU) 2

10:06
Denver (DEN)
Effective 2026-03-29 through 2026-04-29
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 4:03, non-stop
Boeing 737-800 (738)
Direct Flights:
United Airlines UA1302
08:15
Raleigh/Durham (RDU) 2

10:14
Denver (DEN)
Effective from 2026-05-21
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 3:59, non-stop
Boeing 737-800 (738)
Direct Flights:
United Airlines UA1772
08:04
Raleigh/Durham (RDU) 2

10:16
Denver (DEN)
Valid until 2026-01-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 4:12, non-stop
Airbus A319 (319)
Direct Flights:
United Airlines UA2270
08:00
Raleigh/Durham (RDU) 2

10:12
Denver (DEN)
Effective 2026-02-12 through 2026-03-04
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 4:12, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
United Airlines UA2270
08:00
Raleigh/Durham (RDU) 2

10:12
Denver (DEN)
Effective 2026-03-05 through 2026-03-28
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 4:12, non-stop
Boeing 737-800 (738)
Direct Flights:
United Airlines UA2288
16:00
Raleigh/Durham (RDU) 2

17:59
Denver (DEN)
Effective from 2026-05-21
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 3:59, non-stop
Boeing 737-800 (738)
Direct Flights:
United Airlines UA2288
16:06
Raleigh/Durham (RDU) 2

18:18
Denver (DEN)
Effective 2026-02-12 through 2026-03-04
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
-
Duration: 4:12, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
United Airlines UA2288
16:06
Raleigh/Durham (RDU) 2

18:18
Denver (DEN)
Effective 2026-02-14 through 2026-02-28
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 4:12, non-stop
Boeing 737-800 (738)
Direct Flights:
United Airlines UA2288
16:06
Raleigh/Durham (RDU) 2

18:18
Denver (DEN)
Effective 2026-02-15 through 2026-03-01
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 4:12, non-stop
Boeing 737-900 (739)
Direct Flights:
United Airlines UA2288
16:07
Raleigh/Durham (RDU) 2

18:18
Denver (DEN)
Operates only on 2026-01-06
Mon
-
Tue
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 4:11, non-stop
Boeing 737-800 (738)
Direct Flights:
United Airlines UA2288
16:07
Raleigh/Durham (RDU) 2

18:18
Denver (DEN)
Effective 2026-01-07 through 2026-02-04
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 4:11, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
United Airlines UA2288
16:07
Raleigh/Durham (RDU) 2

18:18
Denver (DEN)
Effective 2026-01-10 through 2026-02-07
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 4:11, non-stop
Boeing 737-900 (739)
Direct Flights:
United Airlines UA2288
16:07
Raleigh/Durham (RDU) 2

18:15
Denver (DEN)
Operates only on 2026-02-05
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Duration: 4:08, non-stop
Boeing 737-800 (738)
Direct Flights:
United Airlines UA2288
16:07
Raleigh/Durham (RDU) 2

18:18
Denver (DEN)
Effective 2026-02-06 through 2026-02-11
Mon
Tue
Wed
Thu
-
Fri
Sat
-
Sun
Duration: 4:11, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
United Airlines UA2288
16:07
Raleigh/Durham (RDU) 2

18:19
Denver (DEN)
Effective 2026-03-29 through 2026-04-29
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 4:12, non-stop
Boeing 737-800 (738)
Direct Flights:
United Airlines UA2288
16:12
Raleigh/Durham (RDU) 2

18:20
Denver (DEN)
Effective 2026-03-05 through 2026-03-28
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 4:08, non-stop
Boeing 737-800 (738)
Direct Flights:
United Airlines UA2288
16:13
Raleigh/Durham (RDU) 2

18:25
Denver (DEN)
Effective 2026-04-30 through 2026-05-20
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 4:12, non-stop
Boeing 737-900 (739)
Direct Flights:
United Airlines UA2288
16:14
Raleigh/Durham (RDU) 2

18:25
Denver (DEN)
Valid until 2026-01-04
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 4:11, non-stop
Boeing 737-900 (739)
Direct Flights:
United Airlines UA2288
16:14
Raleigh/Durham (RDU) 2

18:25
Denver (DEN)
Operates only on 2026-01-05
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 4:11, non-stop
Airbus A320 (320)
Non-Direct Flights:
United Airlines UA1604
06:05
Raleigh/Durham (RDU) 2

14:59
Denver (DEN)
Effective 2026-04-30 through 2026-05-20
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 10:54, 1-stop
Boeing 737 MAX 8 (7M8)
Non-Direct Flights:
United Airlines UA1604
06:15
Raleigh/Durham (RDU) 2

14:32
Denver (DEN)
Effective 2026-03-29 through 2026-04-29
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 10:17, 1-stop
Boeing 737 MAX 8 (7M8)
Non-Direct Flights:
United Airlines UA1604
06:15
Raleigh/Durham (RDU) 2

13:58
Denver (DEN)
Effective 2026-05-21 through 2026-08-10
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 9:43, 1-stop
Boeing 737 MAX 9 (7M9)
Non-Direct Flights:
United Airlines UA1604
06:15
Raleigh/Durham (RDU) 2

14:32
Denver (DEN)
Effective from 2026-08-11
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 10:17, 1-stop
Boeing 737 MAX 8 (7M8)
Non-Direct Flights:
United Airlines UA1999
09:00
Raleigh/Durham (RDU) 2

14:49
Denver (DEN)
Effective 2026-03-05 through 2026-03-27
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 7:49, 1-stop
Boeing 737 MAX 8 (7M8)
Non-Direct Flights:
United Airlines UA1789
05:30
Raleigh/Durham (RDU) 2

14:58
Denver (DEN)
Effective 2026-05-21 through 2026-08-17
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 11:28, 2-stop
Boeing 737-700 (73G)
Non-Direct Flights:
United Airlines UA1789
06:00
Raleigh/Durham (RDU) 2

14:46
Denver (DEN)
Effective 2026-04-30 through 2026-05-20
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 10:46, 2-stop
Boeing 737-700 (73G)
Non-Direct Flights:
United Airlines UA1789
06:00
Raleigh/Durham (RDU) 2

14:51
Denver (DEN)
Effective from 2026-10-25
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 10:51, 2-stop
Boeing 737-700 (73G)
Non-Direct Flights:
United Airlines UA1789
06:08
Raleigh/Durham (RDU) 2

14:42
Denver (DEN)
Effective 2026-03-29 through 2026-04-29
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 10:34, 2-stop
Boeing 737-700 (73G)
Non-Direct Flights:
United Airlines UA1789
06:10
Raleigh/Durham (RDU) 2

14:43
Denver (DEN)
Effective 2026-03-10 through 2026-03-25
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 10:33, 2-stop
Boeing 737-700 (73G)
Non-Direct Flights:
United Airlines UA1789
06:15
Raleigh/Durham (RDU) 2

14:43
Denver (DEN)
Effective 2026-03-05 through 2026-03-13
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 10:28, 2-stop
Boeing 737-700 (73G)
Non-Direct Flights:
United Airlines UA1789
06:15
Raleigh/Durham (RDU) 2

14:43
Denver (DEN)
Operates only on 2026-03-08
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 10:28, 2-stop
Boeing 737-800 (738)
Non-Direct Flights:
United Airlines UA1789
06:15
Raleigh/Durham (RDU) 2

14:43
Denver (DEN)
Effective 2026-03-15 through 2026-03-27
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 10:28, 2-stop
Boeing 737-700 (73G)
Non-Direct Flights:
United Airlines UA2289
11:15
Raleigh/Durham (RDU) 2

21:55
Denver (DEN)
Operates only on 2026-01-11
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 12:40, 2-stop
Airbus A319 (319)
Non-Direct Flights:
United Airlines UA2289
11:15
Raleigh/Durham (RDU) 2

21:55
Denver (DEN)
Effective 2026-01-25 through 2026-02-08
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 12:40, 2-stop
Airbus A319 (319)
Non-Direct Flights:
United Airlines UA2289
11:18
Raleigh/Durham (RDU) 2

21:55
Denver (DEN)
Operates only on 2026-01-08
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Duration: 12:37, 2-stop
Boeing 737-900 (739)
Non-Direct Flights:
United Airlines UA2289
11:18
Raleigh/Durham (RDU) 2

21:55
Denver (DEN)
Effective 2026-01-15 through 2026-02-05
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Duration: 12:37, 2-stop
Boeing 737 MAX 9 (7M9)
Non-Direct Flights:
United Airlines UA2289
11:18
Raleigh/Durham (RDU) 2

21:55
Denver (DEN)
Operates only on 2026-01-19
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 12:37, 2-stop
Airbus A319 (319)
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Parallax here RDU-DEN
  • 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 3:59 and 4:12.
All RDU-DEN flights
All United Airlines flights
Return (DEN-RDU) flights
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