Philadelphia – The fourth-largest hub in terms of number of daily flights, fifth-largest in number of destinations and American's primary East Coast hub. American flies approximately 20.5 million passengers a year through PHL, which is about 56,000 people per day. American has about 70% of the market share at PHL, making it the airport's largest airline. Philadelphia is American Airlines' primary European and transatlantic gateway.
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.