A layover at Chicago O'Hare International Airport (ORD) doesn't have to be a waiting game. This major airport serves as a gateway to the vibrant city of Chicago, but you might be surprised by the hidden gems and exciting possibilities within O'Hare itself. With a little planning, you can transform your downtime into a delightful Windy City mini-adventure, showcasing both the city's iconic flair and the airport's surprising offerings.