Copa Airlines IAD Terminal operates out of Concourse A at IAD. This concourse, which is part of the larger Terminal A/B complex, sees a lot of international aircraft. Concourse A, located outside the main terminal and in the midfield of the airport, is where Copa Airlines flights take off and land. Its cutting-edge facilities and infrastructure, which are ideal for handling foreign visitors, ensure a flawless experience for passengers flying to locations in Central and South America.