ORD is Chicago O'Hare International Airport. It is Chicago's largest and busiest airport, located 15 miles northwest of downtown. Turkish airlines terminal ord serves most major national and international airlines. It is generally considered a good US airport, with clean facilities, numerous dining options and a few speciality features such as a yoga room and garden. It is generally advised to arrive at least 90 minutes before a domestic flight and 2-3 hours before an international flight. The wait times in Terminal 5 are generally longer, as TSA seems to be stricter about checking passports and that customers have all needed vaccinations and other documents for the country they’re visiting.