Terminals · DCA
Air Canada departs from Terminal 1 at Ronald Reagan Washington National Airport (DCA). We verified this against the airport's own sources on June 27, 2026 — airlines do move terminals, so we date every check.

Air Canada departs from Terminal 1 at Ronald Reagan Washington National Airport (DCA). Terminal 1 (formerly Terminal A / historic terminal), Concourse A (gates A1–A9). Operated as Air Canada Express. Verified June 27, 2026.
Terminal 1 ticketing hall. Bag drop usually closes 45 minutes before departure, so build that into your morning.
Not that we've found. We confirmed Air Canada departs from Terminal 1 at DCA as of June 27, 2026. Airlines do shuffle terminals, so we re-check and date every change.
Serves Canadian destinations (Montréal, Ottawa, Toronto). DCA has no U.S. Federal Inspection Station; Air Canada flights clear U.S. Customs via Canadian preclearance and are handled as domestic arrivals — no separate international terminal at DCA.
Not sure which building that is? See all DCA terminals with the airport map and how to get between them. Then let your Leave-By Time count backward from your flight — today's DCA security wait, your drive, and the walk to your gate — so you leave with room to breathe.