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

Des Moines International ⇄ Washington Dulles International DSM–IAD

Airlines flew 4 flights between Des Moines International DSM in Des Moines, IA and Washington Dulles International IAD in Washington, DC in the twelve months to July 2026, both directions together: 404 passengers in 512 seats, 79% of them filled. 873 miles, about 122 minutes in the air, on 3 airlines: Allegiant Air (2), PSA Airlines Inc. (1), Republic Airline (1). Planning to fly it yourself? The weather and winds along this route right now.

4
flights, twelve months
DSM-IAD: 3 · IAD-DSM: 1
404
passengers
79% of seats filled
873
miles
about 122 minutes airborne
3
airlines
3 aircraft types

Flights by month both directions

0012225/251111/2626/26
By month, as a table
flights
5/252
7/251
9/251
1/261
6/262

Passengers by month

0731462182912395/256860531/262916/26
By month, as a table
passengers
5/25239
7/2568
9/2560
1/2653
6/26291

The airlines twelve months, both directions

AirlineFlightsPassengersSeats filledService
Allegiant Air G4229181%charter passenger service
PSA Airlines Inc. OH16079%scheduled passenger service
Republic Airline YX15370%scheduled passenger service

The aircraft as the airlines report their types

AircraftFlightsSeats a flightPassengers
Airbus Industrie A320-100/2002180291
Canadair CRJ 90017660
Embraer ERJ-17517653

DSM → IAD this direction alone · flown May 2025 to June 2026

3 flights of 1 scheduled, 259 passengers in 332 seats. Allegiant Air 1; PSA Airlines Inc. 1; Republic Airline 1.

IAD → DSM this direction alone · flown May 2025 to June 2026

1 flights, 145 passengers in 180 seats. Allegiant Air 1.

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: Des Moines International DSM and Washington Dulles International IAD; all routes.