Once you're inside Boston Logan's Terminal B, checking in with Spirit Airlines BOS Terminal is rather simple. Those travelers who would rather check in themselves can do so at self-service kiosks. Most of the time, the counter employees are helpful and kind, ready to help with luggage, seat assignments, and other last-minute requirements. based on the time of day, there may be a delay based on the security checkpoint after check-in. Although there may be longer waits during rush hour, Boston Logan's security staff makes every effort to keep things running as efficiently as possible. The procedure is significantly quicker for individuals who have TSA PreCheck, enabling you to get through the security gates and go on with your trip.