Routes and flights · the DOT's airline reports, August 2025 to July 2026

Washington Dulles International ⇄ Sion IAD–SIR

Airlines flew 2 flights between Washington Dulles International IAD in Washington, DC and Sion, Switzerland SIR in Sion, CH in the twelve months to July 2026, both directions together: 2 passengers in 32 seats, 6% of them filled, and 220 pounds of freight. 4,144 miles, on 2 airlines: ABS JETS A.S (1), Global Jet Luxembourg, Sa (1).

flights, twelve months

IAD-SIR: 2

passengers

6% of seats filled

4,144

miles

airlines

2 aircraft types

Flights by month both directions

By month, as a table

	flights
3/26	1
4/26	1

Passengers by month

By month, as a table

	passengers
3/26	1
4/26	1

The airlines twelve months, both directions

Airline	Flights	Passengers	Seats filled	Service
ABS JETS A.S 2AQ	1	1	6%	charter passenger service
Global Jet Luxembourg, Sa SVW	1	1	7%	charter passenger service

The aircraft as the airlines report their types

Aircraft	Flights	Seats a flight	Passengers
Gulfstream G650	1	17	1
Bombardier Global 6000/Global Xrs	1	15	1

IAD → SIR this direction alone · flown March 2026 to April 2026

2 flights, 2 passengers in 32 seats, 220 pounds of freight. ABS JETS A.S 1; Global Jet Luxembourg, Sa 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: Washington Dulles International IAD and Sion, Switzerland SIR; all routes.