Chicago Air [SEP] airline hub
Chicago Air
Chicago Air was a regional airline carrier that operated in 1986 and exchanged passengers with all-jet Midway Airlines at Chicago Midway International Airport. The carrier operated revenue service from May to November, 1986 between Chicago and Madison, Green Bay, LaCrosse, Eau Claire, and Wausau, WI; Traverse City, MI; and, Peoria, Springfield and Quad Cities, IL. It operated six Fokker F27 turboprop aircraft, and the call sign was "Wild Onion" in reference to the Chippewa Indian derivation of the
and the National Transportation Safety Board). The Transportation Security Administration provides security at airports and the federal government provides billions of dollars annually to maintain air transport facilities and manage the country's air traffic control system.
Many airlines operate on a "hub and spoke" model. This system gives the predominant airline in a given airport a strong competitive position as it feeds passengers to and from the hub, maximizing the number of passengers on each flight. Examples of airline hubs include United Airlines at Houston, Newark Liberty, Chicago