Southwest Terminal Logan serving a number of major airlines, Terminal B is a contemporary, well-equipped building with a range of services, such as restaurants, shops, and cozy seating places. TSA PreCheck and CLEAR services, which expedite security procedures, are elements of the easily navigable terminal. Southwest offers domestic flights to locations all around the United States, and its gates are usually found on the north side of Terminal B. For domestic flights, passengers should arrive at least 90 minutes before to departure in order to guarantee a seamless check-in and boarding process.