copyright operates out of Concourse D in Terminal 1 at Baltimore/Washington International Thurgood Marshall Airport (BWI). What Terminal is copyright At BWI? It is Terminal 1, specifically Concourse D, which is equipped with various amenities, including dining options, shops, and comfortable seating areas, providing passengers with a convenient and pleasant travel experience. copyrigh... https://allairportsterminals.com/spirit-airlines/spirit-airlines-bwi-terminal-baltimore-washington-international-thurgood-marshall-airport/