The U.S. aircraft register, updated daily
Routes and flights · the DOT's airline reports, August 2025 to July 2026

Washington Dulles International ⇄ Rapid City Regional IAD–RAP

Airlines flew 2 flights between Washington Dulles International IAD in Washington, DC and Rapid City Regional RAP in Rapid City, SD in the twelve months to July 2026, both directions together: 336 passengers in 358 seats, 94% of them filled, and 1 pounds of freight. 1,368 miles, about 244 minutes in the air, on 1 airline: United Air Lines Inc. (2). Planning to fly it yourself? The weather and winds along this route right now.

2
flights, twelve months
IAD-RAP: 2
336
passengers
94% of seats filled
1,368
miles
about 244 minutes airborne
1
airline
1 aircraft type

Flights by month both directions

0001116/2617/26
By month, as a table
flights
6/261
7/261

Passengers by month

045901341791576/261797/26
By month, as a table
passengers
6/26157
7/26179

The airlines twelve months, both directions

AirlineFlightsPassengersSeats filledService
United Air Lines Inc. UA233694%scheduled passenger service

The aircraft as the airlines report their types

AircraftFlightsSeats a flightPassengers
Boeing 737-900ER2179336

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 International IAD and Rapid City Regional RAP; all routes.