At Spirit Airlines BOS Terminal, the TSA and security procedures for Spirit Airlines travelers are effective and well-structured. To ensure sufficient time for check-in and screening, passengers are recommended to arrive at least two hours before to domestic flights. Multiple lanes are available at TSA checkpoints, and passengers who have signed up for TSA PreCheck benefit from quicker processing. A seamless process is ensured by helpful staff and clear signage. Passengers should get ready by taking out beverages, gadgets, and metal objects prior to screening in order to prevent delays.