Chicago Department of Aviation

Information on O'Hare and Midway International Airports
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For Chicago airport information, visit: www.flychicago.com

The Chicago Department of Aviation (CDA) administers all aspects of two major airports – Chicago O’Hare and Midway International Airports. 

The CDA is self-supporting, using no local or state tax dollars for operations or capital improvements at O’Hare and Midway International Airports. Together Chicago’s airports generate more than $45 billion in annual economic activity and create 540,000 jobs for the region.

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For more information about Chicago's Airports, go to www.flychicago.com

 Department Facts

 Department Main Office

Chicago Department of Aviation

  • Phone: Customer Service: 800.832.6352

  • Chicago O'Hare International Airport
    Chicago, IL 60666   
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