United Airlines
flight
UA 4831:
Washington Dulles - Roanoke
Washington Dulles - Roanoke
FLIGHT SCHEDULE
Direct Flights:
United Airlines UA4831
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)
Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ)
Direct Flights:
United Airlines UA4831
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)
Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ)
Direct Flights:
United Airlines UA4831
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)
Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ)
Direct Flights:
United Airlines UA4831
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)
Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ)
Direct Flights:
United Airlines UA4831
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)
Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ)
Direct Flights:
United Airlines UA4831
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)
Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ)
Direct Flights:
United Airlines UA4831
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)
Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ)
- 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.