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
Stapleton International Airport Western began flights to Calgary. The Boeing 747 was introduced to Stapleton on Continental's Los Angeles route in 1970. In the early 1970s, Frontier occupied Concourse A, United occupied most of Concourse B, and Western and Continental occupied most of Concourse C. United and TWA served both coasts nonstop during this era, while Continental and Western's nonstop flights only extended to the western half of the country. Concourse D was built in 1972. After deregulation, Denver's four major incumbent airlines developed hubs at Stapleton. United occupied Concourse B, Continental and Western occupied Concourse C and Frontier occupied Concourse D. Western