Direct questions, comments, or suggestions about the Chicago Department of Aviation or this Web site to Aviation@flychicago.com or mail them to:

Chicago Aviation Department
Customer Service
P.O. Box 66142
Chicago, IL 60666

You also can call the Chicago Airport System customer service hotline at 1-800-832-6352.

Staff members from the Chicago Department of Aviation are responsible for the design and maintenance of the Chicago Airport System Website, coordinated with the City of Chicago, Business Information Services (BIS). We welcome your comments!