Chicago O'Hare International Airport (ORD) is one of the busiest airports in the world, offering a wide range of domestic and international flights. To assist travelers, the airport provides a customer service line at (800) 832-6352. This O'Hare Airport phone number connects passengers with helpful representatives who can provide information about flight statuses, parking availability... https://askforairlines.com/ohare-international-airport-ord/