Near the city center of Philadelphia in the state of Pennsylvania is situated the Philadelphia International Airport (IATA code PHL), which ranks eleventh among the busiest airports in the United States. The airport is a base of the airline company "US Airways" and serves a number of domestic flights and international flights to Canada, Europe and the Middle East, Latin America and the Caribbean. It has four runways and seven terminals, where all except Terminal F are connected between each other. Terminal F is served by regular buses. The terminals offer a range of services and amenities such as shops, restaurants, cafes, information offices, rental-car offices and more. The Philadelphia International Airport can be reached by car or taxi, and by train from the city center.