Sun Country ORD Terminal+1–888–839–0502 Sun Country ORD Terminal is based out of Chicago O'Hare International Airport (ORD) at Terminal 5. Both foreign and some domestic flights use this terminal most of the time. The travel experience is improved by Terminal 5's contemporary amenities, which include ample seats, modern conveniences, and a range of dining and shopping options. Arriving at least 2 hours before domestic flights and 3 hours before international flights is advised for Sun Country travelers to ensure a seamless check-in and security check. visit us : https://www.terminalsme.com/sun-country-airlines/sun-country-ord-terminal-ohare-international-airport/