Chicago O’Hare International Airport’s Terminal 5 is where Sun Country ORD Terminal The majority of flights from abroad and some domestic flights use this terminal. In order to improve the travel experience, Terminal 5 offers a range of dining and shopping alternatives, modern conveniences, increased amenities, and roomy seating. It is recommended that Sun Country travelers come at least 2 hours before domestic flights and 3 hours before international flights in order to ensure a seamless check-in and security check. Sun Country Airlines passengers may travel conveniently thanks to the terminal’s easy access by public transportation, rental automobiles, and shuttle services.