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

Washington Dulles International ⇄ Addis Ababa IAD–ADD

Airlines flew 730 flights between Washington Dulles International IAD in Washington, DC and Addis Ababa, Ethiopia ADD in Addis Ababa, ET in the twelve months to July 2026, both directions together: 210,346 passengers in 261,958 seats, 80% of them filled, and 11,454,958 pounds of freight. 7,193 miles, on 1 airline: Ethiopian Airlines (730).

730
flights, twelve months
IAD-ADD: 365 · ADD-IAD: 365
210,346
passengers
80% of seats filled
7,193
miles
1
airline
2 aircraft types

Flights by month both directions

03060901201/254/257/2510/251/264/26627/26
By month, as a table
flights
1/2562
2/2556
3/2562
4/2560
5/2562
6/25120
7/2562
8/2562
9/2560
10/2562
11/2560
12/2562
1/2662
2/2656
3/2662
4/2660
5/2662
6/2660
7/2662

Passengers by month

09,59019,17928,76838,3581/254/257/2510/251/264/2618,7897/26
By month, as a table
passengers
1/2520,006
2/2514,347
3/2514,631
4/2516,860
5/2518,613
6/2538,358
7/2520,249
8/2520,009
9/2516,958
10/2516,221
11/2514,689
12/2517,815
1/2619,101
2/2613,838
3/2619,209
4/2618,287
5/2618,228
6/2617,202
7/2618,789

The airlines twelve months, both directions

AirlineFlightsPassengersSeats filledService
Ethiopian Airlines ET730210,34680%scheduled passenger service

The aircraft as the airlines report their types

AircraftFlightsSeats a flightPassengers
Airbus Industrie A350-900606356171,236
Airbus 350-100012437539,110

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

365 flights, 105,722 passengers in 131,143 seats, 1,976,372 pounds of freight. Ethiopian Airlines 365.

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

365 flights, 104,624 passengers in 130,815 seats, 9,478,586 pounds of freight. Ethiopian Airlines 365.

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 Addis Ababa, Ethiopia ADD; all routes.