Hey! In case you have a Spirit Airlines BWI Terminal, then you will be leaving from Terminal 1 at Baltimore/Washington International Thurgood Marshall Airport (BWI). Check-in and baggage drop are located in the main terminal. So when you pass through security, getting to your gate won't be difficult at all. In case you need something to eat before boarding the flight or some essentials for your journey, there's plenty of dining and shopping options around. Spirit's gates in Terminal 1 are well connected for your smooth and worry-free trip from Baltimore to your destination.