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

Washington Dulles International ⇄ Dubois Regional IAD–DUJ

Airlines flew 1,554 flights between Washington Dulles International IAD in Washington, DC and Dubois Regional DUJ in Dubois, PA in the twelve months to July 2026, both directions together: 3,871 passengers in 13,986 seats, 28% of them filled. 171 miles, about 69 minutes in the air, on 1 airline: Southern Airways Express, dba Mokulele Airlines (1,554). Planning to fly it yourself? The weather and winds along this route right now.

1,554
flights, twelve months
IAD-DUJ: 782 · DUJ-IAD: 772
3,871
passengers
28% of seats filled
171
miles
about 69 minutes airborne
1
airline
1 aircraft type

Flights by month both directions

042851281701/254/257/2511/252/265/261407/26
By month, as a table
flights
1/2594
2/25110
3/25163
4/25161
5/25166
6/25151
7/25170
8/25158
10/25168
11/25100
12/25114
1/26128
2/26123
3/26142
4/26161
5/26158
6/26162
7/26140

Passengers by month

01202413624821/254/257/2511/252/265/264437/26
By month, as a table
passengers
1/25246
2/25243
3/25386
4/25336
5/25440
6/25428
7/25482
8/25369
10/25393
11/25290
12/25280
1/26241
2/26218
3/26393
4/26344
5/26421
6/26479
7/26443

The airlines twelve months, both directions

AirlineFlightsPassengersSeats filledService
Southern Airways Express, dba Mokulele Airlines 9X1,5543,87128%scheduled passenger service

The aircraft as the airlines report their types

AircraftFlightsSeats a flightPassengers
Cessna C208B/Grand Caravan1,55493,871

IAD → DUJ this direction alone · flown January 2025 to July 2026

782 flights of 908 scheduled, 1,956 passengers in 7,038 seats. Southern Airways Express, dba Mokulele Airlines 782.

DUJ → IAD this direction alone · flown January 2025 to July 2026

772 flights of 908 scheduled, 1,915 passengers in 6,948 seats. Southern Airways Express, dba Mokulele Airlines 772.

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 Dubois Regional DUJ; all routes.