Delta Airlines Ronald Reagan Washington National Airport is located in Terminal 2 of Ronald Reagan Washington National Airport (DCA), serving travelers with convenience and a state-of-the-art experience. This company prides itself on providing service centered around the passenger's needs. Delta takes the guesswork out of travel with seamless check-in to boarding, from check-in to boarding, Terminal 2 provides modern and convenient facilities. From spacious seating areas and efficient security checkpoints to a variety of dining and shopping options, the terminal caters to the diverse needs of travelers.