Washington–National – The seventh-largest hub for American in terms of number of destinations and flights and American's third hub for the East Coast. The airport also serves as a base for American Airlines Shuttle. About 12 million passengers fly through DCA on American every year, or about 33,000 people per day. American has about 49% of the market share at DCA, making it the largest carrier at the airport.
Guests can search for lodging using filters such as lodging type, dates, location, and price. Before booking, users must provide personal and payment information. Some hosts also require a scan of a government-issued identification before accepting a reservation. The company also provides travel guides, entitled "Neighborhoods", which provide details about staying in specific neighborhoods in various major cities.