Spirit Airlines operates from Terminal 3 at Chicago O'Hare International Airport (ORD). The Spirit Airlines Ohare Airport Terminal is well-equipped with amenities like dining options, shops, and comfortable waiting areas to ensure a pleasant travel experience. Passengers flying with Spirit Airlines can check in at the designated counters in Terminal 3 or use self-service kiosks for added convenience. It's recommended to arrive at least two hours before domestic flights to allow ample time for check-in and security procedures. For gate details, travelers should confirm their flight information upon arrival at the terminal.