Allegiant air baltimore / washington international thurgood marshall airport – BWI is where you will find services related to bookings ,check-in , baggages . before and after your flight . moreover other amenities includes a lost & found section , wheelchair accessability , children’s play – area , stores , food , beverages , a fitness point and even a wi-fi .https://allairportsterminal.com/airlines/allegiant-air/allegiant-air-baltimore-washington-international-thurgood-marshall-airport-bwi-terminal/