IAD → RAP this direction alone · flown June 2026 to July 2026
2 flights, 336 passengers in 358 seats, 1 pounds of freight. United Air Lines Inc. 2.
Source: the Bureau of Transportation Statistics' T-100 Segment table (all carriers). A flight is one departure performed on this segment; seats and passengers are the airlines' own monthly reports; "seats filled" is passengers divided by seats. The miles are the DOT's great-circle distance. Both ends: Washington Dulles InternationalIAD and Rapid City RegionalRAP; all routes.