United Airlines flight UA 284: Denver - Dulles, Washington via Las Vegas Harry Reid

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Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Fri 14:20 George Bush, Houston (IAH) C 19:21 Boston Logan (BOS) B
UA 284 Non-stop Boeing 737-800 (738) 4:01 Operates only on 2025-07-04
Wed-Sun 20:58 Denver (DEN) 21:59 Las Vegas Harry Reid (LAS) 3
UA 284 Non-stop Airbus A321neo (32Q) 2:01 Effective 2025-06-26 through 2025-07-03
Mon,Tue 20:58 Denver (DEN) 21:59 Las Vegas Harry Reid (LAS) 3
UA 284 Non-stop Boeing 737-800 (738) 2:01 Effective 2025-06-30 through 2025-07-29
Wed-Sun 20:58 Denver (DEN) 21:59 Las Vegas Harry Reid (LAS) 3
UA 284 Non-stop Airbus A321neo (32Q) 2:01 Effective 2025-07-06 through 2025-07-31
Mon,Wed-Fri,Sun 21:35 Denver (DEN) 22:40 Las Vegas Harry Reid (LAS) 3
UA 284 Non-stop Boeing 737-900 (739) 2:05 Valid until 2025-05-19
Daily 22:43 Las Vegas Harry Reid (LAS) 3 06:18 Dulles, Washington (IAD)
UA 284 Non-stop Boeing 737 MAX 9 (7M9) 4:35 Effective 2025-08-19 through 2025-09-24
The flight arrives 1 day after departure.
Mon-Thu,Sat,Sun 23:15 Las Vegas Harry Reid (LAS) 3 06:50 Dulles, Washington (IAD)
UA 284 Non-stop Boeing 737-900 (739) 4:35 Effective 2025-06-01 through 2025-06-25
The flight arrives 1 day after departure.
Fri 23:15 Las Vegas Harry Reid (LAS) 3 06:50 Dulles, Washington (IAD)
UA 284 Non-stop Boeing 737 MAX 9 (7M9) 4:35 Effective 2025-06-06 through 2025-06-20
The flight arrives 1 day after departure.
Daily 23:15 Las Vegas Harry Reid (LAS) 3 06:50 Dulles, Washington (IAD)
UA 284 Non-stop Boeing 737 MAX 9 (7M9) 4:35 Effective 2025-09-25 through 2025-10-25
The flight arrives 1 day after departure.
Sat 23:30 Las Vegas Harry Reid (LAS) 3 05:52 Dulles, Washington (IAD)
UA 284 Non-stop Boeing 737 MAX 9 (7M9) 4:22 Operates only on 2025-11-01
The flight arrives 1 day after departure.
Mon-Fri,Sun 23:35 Las Vegas Harry Reid (LAS) 3 06:57 Dulles, Washington (IAD)
UA 284 Non-stop Boeing 737 MAX 9 (7M9) 4:22 Effective 2025-10-26 through 2025-10-31
The flight arrives 1 day after departure.
Daily 23:35 Las Vegas Harry Reid (LAS) 3 06:57 Dulles, Washington (IAD)
UA 284 Non-stop Boeing 737 MAX 9 (7M9) 4:22 Effective from 2025-11-02
The flight arrives 1 day after departure.
Mon-Thu,Sun 23:47 Las Vegas Harry Reid (LAS) 3 07:22 Dulles, Washington (IAD)
UA 284 Non-stop Boeing 737-900 (739) 4:35 Effective 2025-05-22 through 2025-05-29
The flight arrives 1 day after departure.
Fri 23:47 Las Vegas Harry Reid (LAS) 3 07:22 Dulles, Washington (IAD)
UA 284 Non-stop Boeing 737 MAX 9 (7M9) 4:35 Effective 2025-05-23 through 2025-05-30
The flight arrives 1 day after departure.
Sat 23:47 Las Vegas Harry Reid (LAS) 3 07:22 Dulles, Washington (IAD)
UA 284 Non-stop Boeing 737-900 (739) 4:35 Operates only on 2025-05-31
The flight arrives 1 day after departure.
Thu 23:59 Las Vegas Harry Reid (LAS) 3 07:34 Dulles, Washington (IAD)
UA 284 Non-stop Boeing 737 MAX 9 (7M9) 4:35 Operates only on 2025-06-26
The flight arrives 1 day after departure.
Daily 23:59 Las Vegas Harry Reid (LAS) 3 07:34 Dulles, Washington (IAD)
UA 284 Non-stop Boeing 737-800 (738) 4:35 Effective 2025-06-27 through 2025-07-03
The flight arrives 1 day after departure.
Mon-Wed,Fri-Sun 23:59 Las Vegas Harry Reid (LAS) 3 07:34 Dulles, Washington (IAD)
UA 284 Non-stop Boeing 737-800 (738) 4:35 Effective 2025-07-05 through 2025-08-18
The flight arrives 1 day after departure.
Thu 23:59 Las Vegas Harry Reid (LAS) 3 07:34 Dulles, Washington (IAD)
UA 284 Non-stop Boeing 737 MAX 9 (7M9) 4:35 Effective 2025-07-10 through 2025-08-14
The flight arrives 1 day after departure.
Non-Direct Flights:
Wed-Sun 20:58 Denver (DEN) 07:34 Dulles, Washington (IAD)
UA 284 1-stop Airbus A321neo (32Q) 8:36 Effective 2025-06-26 through 2025-07-03
The flight arrives 1 day after departure.
Mon,Tue 20:58 Denver (DEN) 07:34 Dulles, Washington (IAD)
UA 284 1-stop Boeing 737-800 (738) 8:36 Effective 2025-06-30 through 2025-07-29
The flight arrives 1 day after departure.
Wed-Sun 20:58 Denver (DEN) 07:34 Dulles, Washington (IAD)
UA 284 1-stop Airbus A321neo (32Q) 8:36 Effective 2025-07-06 through 2025-07-31
The flight arrives 1 day after departure.
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United Airlines flight UA 284:
Denver - Dulles, Washington via Las Vegas Harry Reid
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Select flight date:
FLIGHT SCHEDULE
Direct Flights:
United Airlines UA284
14:20
George Bush, Houston (IAH) C

19:21
Boston Logan (BOS) B
Operates only on 2025-07-04
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Duration: 4:01, non-stop
Boeing 737-800 (738)
United Airlines UA284
20:58
Denver (DEN)

21:59
Las Vegas Harry Reid (LAS) 3
Effective 2025-06-26 through 2025-07-03
Mon
-
Tue
-
Wed
Thu
Fri
Sat
Sun
Duration: 2:01, non-stop
Airbus A321neo (32Q)
United Airlines UA284
20:58
Denver (DEN)

21:59
Las Vegas Harry Reid (LAS) 3
Effective 2025-06-30 through 2025-07-29
Mon
Tue
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 2:01, non-stop
Boeing 737-800 (738)
United Airlines UA284
20:58
Denver (DEN)

21:59
Las Vegas Harry Reid (LAS) 3
Effective 2025-07-06 through 2025-07-31
Mon
-
Tue
-
Wed
Thu
Fri
Sat
Sun
Duration: 2:01, non-stop
Airbus A321neo (32Q)
United Airlines UA284
21:35
Denver (DEN)

22:40
Las Vegas Harry Reid (LAS) 3
Valid until 2025-05-19
Mon
Tue
-
Wed
Thu
Fri
Sat
-
Sun
Duration: 2:05, non-stop
Boeing 737-900 (739)
United Airlines UA284
22:43
Las Vegas Harry Reid (LAS) 3

06:18(+1)
Dulles, Washington (IAD)
Effective 2025-08-19 through 2025-09-24
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 4:35, non-stop
Boeing 737 MAX 9 (7M9)
The flight arrives 1 day after departure.
United Airlines UA284
23:15
Las Vegas Harry Reid (LAS) 3

06:50(+1)
Dulles, Washington (IAD)
Effective 2025-06-01 through 2025-06-25
Mon
Tue
Wed
Thu
Fri
-
Sat
Sun
Duration: 4:35, non-stop
Boeing 737-900 (739)
The flight arrives 1 day after departure.
United Airlines UA284
23:15
Las Vegas Harry Reid (LAS) 3

06:50(+1)
Dulles, Washington (IAD)
Effective 2025-06-06 through 2025-06-20
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Duration: 4:35, non-stop
Boeing 737 MAX 9 (7M9)
The flight arrives 1 day after departure.
United Airlines UA284
23:15
Las Vegas Harry Reid (LAS) 3

06:50(+1)
Dulles, Washington (IAD)
Effective 2025-09-25 through 2025-10-25
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 4:35, non-stop
Boeing 737 MAX 9 (7M9)
The flight arrives 1 day after departure.
United Airlines UA284
23:30
Las Vegas Harry Reid (LAS) 3

05:52(+1)
Dulles, Washington (IAD)
Operates only on 2025-11-01
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 4:22, non-stop
Boeing 737 MAX 9 (7M9)
The flight arrives 1 day after departure.
United Airlines UA284
23:35
Las Vegas Harry Reid (LAS) 3

06:57(+1)
Dulles, Washington (IAD)
Effective 2025-10-26 through 2025-10-31
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 4:22, non-stop
Boeing 737 MAX 9 (7M9)
The flight arrives 1 day after departure.
United Airlines UA284
23:35
Las Vegas Harry Reid (LAS) 3

06:57(+1)
Dulles, Washington (IAD)
Effective from 2025-11-02
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 4:22, non-stop
Boeing 737 MAX 9 (7M9)
The flight arrives 1 day after departure.
United Airlines UA284
23:47
Las Vegas Harry Reid (LAS) 3

07:22(+1)
Dulles, Washington (IAD)
Effective 2025-05-22 through 2025-05-29
Mon
Tue
Wed
Thu
Fri
-
Sat
-
Sun
Duration: 4:35, non-stop
Boeing 737-900 (739)
The flight arrives 1 day after departure.
United Airlines UA284
23:47
Las Vegas Harry Reid (LAS) 3

07:22(+1)
Dulles, Washington (IAD)
Effective 2025-05-23 through 2025-05-30
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Duration: 4:35, non-stop
Boeing 737 MAX 9 (7M9)
The flight arrives 1 day after departure.
United Airlines UA284
23:47
Las Vegas Harry Reid (LAS) 3

07:22(+1)
Dulles, Washington (IAD)
Operates only on 2025-05-31
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 4:35, non-stop
Boeing 737-900 (739)
The flight arrives 1 day after departure.
United Airlines UA284
23:59
Las Vegas Harry Reid (LAS) 3

07:34(+1)
Dulles, Washington (IAD)
Operates only on 2025-06-26
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Duration: 4:35, non-stop
Boeing 737 MAX 9 (7M9)
The flight arrives 1 day after departure.
United Airlines UA284
23:59
Las Vegas Harry Reid (LAS) 3

07:34(+1)
Dulles, Washington (IAD)
Effective 2025-06-27 through 2025-07-03
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 4:35, non-stop
Boeing 737-800 (738)
The flight arrives 1 day after departure.
United Airlines UA284
23:59
Las Vegas Harry Reid (LAS) 3

07:34(+1)
Dulles, Washington (IAD)
Effective 2025-07-05 through 2025-08-18
Mon
Tue
Wed
Thu
-
Fri
Sat
Sun
Duration: 4:35, non-stop
Boeing 737-800 (738)
The flight arrives 1 day after departure.
United Airlines UA284
23:59
Las Vegas Harry Reid (LAS) 3

07:34(+1)
Dulles, Washington (IAD)
Effective 2025-07-10 through 2025-08-14
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Duration: 4:35, non-stop
Boeing 737 MAX 9 (7M9)
The flight arrives 1 day after departure.
Non-Direct Flights:
United Airlines UA284
20:58
Denver (DEN)

07:34(+1)
Dulles, Washington (IAD)
Effective 2025-06-26 through 2025-07-03
Mon
-
Tue
-
Wed
Thu
Fri
Sat
Sun
Duration: 8:36, 1-stop
Airbus A321neo (32Q)
The flight arrives 1 day after departure.
United Airlines UA284
20:58
Denver (DEN)

07:34(+1)
Dulles, Washington (IAD)
Effective 2025-06-30 through 2025-07-29
Mon
Tue
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 8:36, 1-stop
Boeing 737-800 (738)
The flight arrives 1 day after departure.
United Airlines UA284
20:58
Denver (DEN)

07:34(+1)
Dulles, Washington (IAD)
Effective 2025-07-06 through 2025-07-31
Mon
-
Tue
-
Wed
Thu
Fri
Sat
Sun
Duration: 8:36, 1-stop
Airbus A321neo (32Q)
The flight arrives 1 day after departure.
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  • UA 284 is a domestic flight departing from the Denver airport (DEN) and arriving at Dulles, Washington airport (IAD).
  • The flight runs via Las Vegas Harry Reid (LAS).
  • The flight distance is 1448 miles, or 2331 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.
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