Customer satisfaction is a leading priority for the Chicago Department of Aviation (CDA). There are several resources to answer any questions you may have or to provide comments about your time at O'Hare. Check out the frequently asked questions or contact the appropriate customer service agent at the links provided below.
We also always welcome feedback – please fill out our customer service survey and let us know how we are doing. Please do not hesitate to contact us; our staff is here to help make your journey as stress-free as possible!
Airport Emergency Contacts* (No Flight Information)
O'Hare: (773) 894-9111 No Flight Information
*Contact your airline for flight information: O'Hare Airline Contact Info
CDA Customer Service phone: (773) 686-2200
Mailing Address: Chicago Department of Aviation (CDA)
P.O. Box 66142
Chicago, IL 60666
Deputy Commissioner, Finance
Deputy Commissioner, Facilities
Deputy Commissioner, Concessions
Managing Deputy Commissioner, Human Resources and Information Technology
Managing Deputy Commissioner, Security
Joseph O'Connor Jr.
Deputy Commissioner, Information Technology
Assistant Commissioner, Noise Abatement
Director, Media Affairs/Press
Maria L. Wanamaker
First Amendment Rules and Regulations Governing the City of Chicago Airports
Click Here to view the rules and regulations.