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

Shannon ⇄ Washington Dulles International SNN–IAD

Airlines flew 6 flights between Shannon, Ireland SNN in Shannon, IE and Washington Dulles International IAD in Washington, DC in the twelve months to July 2026, both directions together: 737 passengers in 1,524 seats, 48% of them filled, and 200,644 pounds of freight. 3,307 miles, about 439 minutes in the air, on 2 airlines: Omni Air International LLC (5), United Air Lines Inc. (1).

6
flights, twelve months
SNN-IAD: 5 · IAD-SNN: 1
737
passengers
48% of seats filled
3,307
miles
about 439 minutes airborne
2
airlines
2 aircraft types

Flights by month both directions

0124512/251153/26
By month, as a table
flights
2/251
6/251
9/251
3/265

Passengers by month

01843685537371292/258707373/26
By month, as a table
passengers
2/25129
6/2587
9/250
3/26737

The airlines twelve months, both directions

AirlineFlightsPassengersSeats filledService
Omni Air International LLC X9573748%charter passenger service
United Air Lines Inc. UA10charter cargo service

The aircraft as the airlines report their types

AircraftFlightsSeats a flightPassengers
Boeing 767-300/300ER4190321
Boeing 777-200ER/200LR/233LR2381416

SNN → IAD this direction alone · flown February 2025 to March 2026

5 flights, 737 passengers in 1,252 seats, 200,644 pounds of freight. Omni Air International LLC 4; United Air Lines Inc. 1.

IAD → SNN this direction alone · flown March 2026 to March 2026

1 flights, 0 passengers in 272 seats. Omni Air International LLC 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: Shannon, Ireland SNN and Washington Dulles International IAD; all routes.