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

Yampa Valley ⇄ Washington Dulles International HDN–IAD

Airlines flew 31 flights between Yampa Valley HDN in Hayden, CO and Washington Dulles International IAD in Washington, DC in the twelve months to July 2026, both directions together: 3,716 passengers in 5,146 seats, 72% of them filled. 1,581 miles, about 178 minutes in the air, on 1 airline: United Air Lines Inc. (31). Planning to fly it yourself? The weather and winds along this route right now.

31
flights, twelve months
HDN-IAD: 16 · IAD-HDN: 15
3,716
passengers
72% of seats filled
1,581
miles
about 178 minutes airborne
1
airline
2 aircraft types

Flights by month both directions

02581081/25710312/2510883/2624/26
By month, as a table
flights
1/258
2/257
3/2510
12/253
1/2610
2/268
3/268
4/262

Passengers by month

03146289411,2559631/258481,25530412/251,2091,0371,0663/261004/26
By month, as a table
passengers
1/25963
2/25848
3/251,255
12/25304
1/261,209
2/261,037
3/261,066
4/26100

The airlines twelve months, both directions

AirlineFlightsPassengersSeats filledService
United Air Lines Inc. UA313,71672%scheduled passenger service

The aircraft as the airlines report their types

AircraftFlightsSeats a flightPassengers
Boeing B737 Max 800241662,835
Boeing 737-8007166881

HDN → IAD this direction alone · flown January 2025 to April 2026

16 flights of 16 scheduled, 1,692 passengers in 2,656 seats. United Air Lines Inc. 16.

IAD → HDN this direction alone · flown January 2025 to April 2026

15 flights of 16 scheduled, 2,024 passengers in 2,490 seats. United Air Lines Inc. 15.

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: Yampa Valley HDN and Washington Dulles International IAD; all routes.