Checking +π-πππ-πππ-ππππ in for your Spirit Airlines flight is a straightforward process. You can check in online via the Spirit Airlines website or mobile app starting 24 hours before your flight +π-πππ-πππ-ππππ. Simply enter your last name and confirmation number to access your reservation. Spirit also offers self-service kiosks at the airport for those +π-πππ-πππ-ππππ who prefer in-person assistance. For a smoother experience, arrive at the airport at least 2 hours before domestic flights and 3 hours before international flights, especially if you have checked bags. Remember that Spirit Airlines has a policy of open seating, +π-πππ-πππ-ππππ so early check-in can help secure better boarding positions.