At Spirit Airlines ORD Terminal Spirit Airlines provides a straightforward but effective experience. Although frequently bustling the station is tidy. It is advisable to arrive early because security and check-in lines might be lengthy. Compared to larger airports there are fewer food and retail options but still plenty for a quick snack or last-minute purchases. The boarding process is easy and the staff is generally friendly. All in all it's a simple experience that fulfills budget travelers' needs.