Airport operations are extremely complex, with a complicated system of aircraft support services, passenger services, and aircraft control services contained within the operation. Thus airports can be major employers, as well as important hubs for tourism and other kinds of transit.
More than 100 airports around the world now handle at least 10 million passengers each per year; nearly half of these are in the United States.
Milwaukee Mitchell International Airport is a low-fare, easy-travel airport serving Milwaukee, southeastern Wisconsin, Chicago & northern Illinois.