Looking for delta airlines dca terminal details? Delta Air Lines operates from Terminal 2 at Ronald Reagan Washington National Airport (DCA), specifically in Concourse B, gates B10–B22. This modern terminal features easy access to the Metro, streamlined check-in, TSA PreCheck, and the Delta Sky Club near Gate B15. Terminal-Guide.com provides the latest updates, travel insights, and expert navigation tips for delta airlines dca terminal passengers in 2025. Trust Terminal-Guide.com to make your journey through DCA simple, comfortable, and stress-free when flying with Delta Air Lines.