what are the airports in chicago?
Lansing Municipal Airport O'Hare International Airport Chicago Midway International Airport Chicago Executive Airport Schaumburg Regional Airport Aurora Municipal Airport Lewis University Airport Gary/Chicago International Airport Waukegan Regional Airport
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 Chicago 's main airport , O 'Hare International Airport is the second @-@ busiest airport in the world . The Chicago region is served by two other major commercial airports , Midway and Milwaukee 's General Mitchell International Airport , along with several smaller airports . The city is served by all major worldwide airlines , and O 'Hare is an international hub for both American and United Airlines , while Midway is a hub for domestic carrier Southwest Airlines . There is also a considerable network of rail lines and interstate highways in the region . Chicago has over 30 @,@ 000 hotel rooms in the immediate downtown area alone , and it has the largest skilled @-@ labor workforce in the US catering to conventions and other large @-@ scale media events . 

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 In August 1919 , Hounslow Heath Aerodrome , in London , England was the first airport to operate scheduled international commercial services . It was closed and supplanted by Croydon Airport in March 1920 . In the United States , Bisbee @-@ Douglas International Airport in Arizona became the first international airport of the Americas in 1928 . 

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 The Authority operates the Downtown Manhattan Heliport ( Manhattan , New York ) . 

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 The U.S. also increased the installation and use of full @-@ body scanners in many of its major airports as a result of the attack . The scanners are designed to be able to detect bombs under clothing , and 11 airports , including O 'Hare International Airport in Chicago , began to receive the machines in March 2010 . The TSA said that it had plans to have 1 @,@ 000 of the machines in airports by the end of 2011 . Before , the U.S. had only 40 scanners across 19 airports . The government also said that it planned to buy 300 additional scanners in 2010 and another 500 in the following fiscal year , starting October 2010 . It costs around an estimated $ 530 million to purchase the 500 machines and hire over 5 @,@ 300 workers to operate them . However , the U.S. government has stated that being scanned is voluntary and that passengers who object to the process could choose to undergo a pat @-@ down search or be searched with hand @-@ held detectors . Under new rules prompted by the incident , airline passengers traveling to the U.S. from 14 nations would undergo extra screening : Afghanistan , Algeria , Cuba , Iran , Iraq , Lebanon , Libya , Nigeria , Pakistan , Saudi Arabia , Somalia , Sudan , Syria , and Yemen . The inclusion of non @-@ Muslim Cuba on the list was criticized . 

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 Chicago Municipal Airport , important to the war effort in World War II , was renamed Chicago Midway International Airport ( or simply Midway Airport ) in 1949 in honor of the battle . 
