Ronald Reagan Washington National Airport (DCA) is one of the most paradoxical airports in the country when it comes to convenience. On the one hand, it’s located incredibly close to central Washington, D.C., making commutes and trips to the capital incredibly easy and cutting airport transport time significantly.On the other hand, navigating the airport when you have a connection can be incredibly aggravating. Several different sets of gates are separated into concourses that protrude off of one shared ground-side hallway, but each has its own security checkpoint....