What Terminal Is United International At ORD, United International flights at Chicago O'Hare International Airport (ORD) operate from Terminal 5. Terminal 5 is exclusively dedicated to international flights, making it the go-to terminal for travellers heading to various destinations around the world with United Airlines. Passengers can expect a seamless experience upon arrival at ORD, as Terminal 5 offers a range of amenities and services including duty-free shopping, dining options, comfortable seating areas, and efficient customs and immigration processes. With United International flights operating from this terminal, passengers can embark on their global adventures with ease and convenience.