Stapleton International Airport to the west, 40th Ave to the North, Havana St. to the East, and 37th Ave to the south, with the exception of the Coca-Cola and FedEx warehouses. The City's Department Of Aviation has continuously owned this site even after Stapleton was closed & decommissioned. At the time of its decommissioning, the airport covered 4,700 acres (19 km.) and had the following runways: The terminal had five concourses: Several major air crashes occurred at Stapleton: Stapleton International Airport Stapleton International Airport was the primary airport serving Denver, Colorado, United States from 1929 to 1995. At different times it served as
Pittsburgh International Airport from the rest of the airport. While US Airways made immense cuts in service during the early 21st century, other carriers began to play a more dominant role at PIT. The airport's operator, the Allegheny County Airport Authority, has attempted to attract new service to the airport, particularly low-cost and international carriers. AirTran Airways, which had trouble competing in Pittsburgh after beginning service in 2000, was able to expand Pittsburgh offerings after the US Airways cuts. In 2003, USA3000 Airlines began service to Florida and subsequently expanded to include international destinations in the Caribbean. Southwest Airlines began service to Pittsburgh