United Airlines flight UA 4831: Washington Dulles - Roanoke

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FLIGHT SCHEDULE
Direct Flights:
Daily 12:35 Washington Dulles (IAD) 13:58 Roanoke (ROA)
UA 4831 Non-stop Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ) 1:23 Effective 2026-03-29 through 2026-04-29
Daily 12:35 Washington Dulles (IAD) 13:58 Roanoke (ROA)
UA 4831 Non-stop Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ) 1:23 Effective from 2026-05-21
Daily 12:48 Washington Dulles (IAD) 14:09 Roanoke (ROA)
UA 4831 Non-stop Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ) 1:21 Effective 2026-01-06 through 2026-02-11
Mon-Fri,Sun 12:50 Washington Dulles (IAD) 14:09 Roanoke (ROA)
UA 4831 Non-stop Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ) 1:19 Effective 2026-03-05 through 2026-03-27
Mon-Fri,Sun 12:53 Washington Dulles (IAD) 14:12 Roanoke (ROA)
UA 4831 Non-stop Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ) 1:19 Effective 2026-02-12 through 2026-03-04
Daily 12:55 Washington Dulles (IAD) 14:16 Roanoke (ROA)
UA 4831 Non-stop Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ) 1:21 Valid until 2026-01-05
Daily 13:00 Washington Dulles (IAD) 14:17 Roanoke (ROA)
UA 4831 Non-stop Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ) 1:17 Effective 2026-04-30 through 2026-05-20
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United Airlines flight UA 4831:
Washington Dulles - Roanoke
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Select flight date:
FLIGHT SCHEDULE
Direct Flights:
United Airlines UA4831
12:35
Washington Dulles (IAD)

13:58
Roanoke (ROA)
Effective 2026-03-29 through 2026-04-29
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:23, non-stop
Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ)
Direct Flights:
United Airlines UA4831
12:35
Washington Dulles (IAD)

13:58
Roanoke (ROA)
Effective from 2026-05-21
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:23, non-stop
Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ)
Direct Flights:
United Airlines UA4831
12:48
Washington Dulles (IAD)

14:09
Roanoke (ROA)
Effective 2026-01-06 through 2026-02-11
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:21, non-stop
Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ)
Direct Flights:
United Airlines UA4831
12:50
Washington Dulles (IAD)

14:09
Roanoke (ROA)
Effective 2026-03-05 through 2026-03-27
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 1:19, non-stop
Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ)
Direct Flights:
United Airlines UA4831
12:53
Washington Dulles (IAD)

14:12
Roanoke (ROA)
Effective 2026-02-12 through 2026-03-04
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 1:19, non-stop
Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ)
Direct Flights:
United Airlines UA4831
12:55
Washington Dulles (IAD)

14:16
Roanoke (ROA)
Valid until 2026-01-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:21, non-stop
Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ)
Direct Flights:
United Airlines UA4831
13:00
Washington Dulles (IAD)

14:17
Roanoke (ROA)
Effective 2026-04-30 through 2026-05-20
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:17, non-stop
Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ)
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  • UA 4831 is a domestic flight departing from the Washington Dulles airport (IAD) and arriving at Roanoke airport (ROA).
  • The flight distance is 177 miles, or 285 km.
  • The timezone of both the departure and the arrival airports is UTC-5 . Current time at both airports is (loading...).
  • For direct flights, the flight time varies between 1:17 and 1:23.
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