The new DC Airports app gives you all the information you need to travel to and from Reagan National Airport (DCA) and Dulles International Airport (IAD) in one app. - Search or scan boarding pass to receive push notifications on your flight - Access all concessions information and their locations in the airports - Reserve parking at DCA and IAD on the app to ensure you have a space and get a special mobile app parking discount - Easily access US embassy contacts around the world - Book hotel