Spirit Airlines BOS Terminal is primarily used for domestic flights and is divided into two sections: the North and South Concourses. Spirit Airlines utilizes the South Concourse, which houses a variety of amenities for travelers. These include dining options, retail stores, and services such as free Wi-Fi and charging stations. Passengers flying with Spirit Airlines can expect the terminal to provide all necessary services for a smooth travel experience, including check-in counters, security checkpoints, and baggage claim areas. It’s advisable to arrive at the airport well ahead of your scheduled departure time, as Terminal B can experience high passenger traffic, particularly during peak travel hours.