Stapleton International Airport 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 a hub for Continental Airlines, the original Frontier Airlines, People Express, Trans World Airlines (TWA), United Airlines and Western Airlines. Other airlines with smaller hub operations at Stapleton included Aspen Airways, the current version of Frontier Airlines and Rocky Mountain Airways, with all three of these air carriers being based in Denver at the time. In 1995, Stapleton was replaced by Denver International Airport. It has since been decommissioned and the property redeveloped as a
San Diego International Airport Diego International Airport entered the blogosphere with the launch of the first employee blog–the Ambassablog–for a major US airport. Written by front-line employees, the blog features regular posts on airport activities, events, and initiatives; reader comments; and several multimedia and interactive features. It has been presented as a case study in employee blogging to several public agencies at the federal, state, and local levels. In February 2008, San Diego International Airport was one of the first major airports in the US to adopt a formal sustainability policy, which expresses the airport's commitment to a four-layer approach to sustainability known as