<page_title> List of the busiest airports in the United States </page_title> <section_title> Busiest US airports by total passenger boardings </section_title> <table> <cell> BWI <col_header> IATA Code </col_header> </cell> <cell> Baltimore/Washington, D.C. <col_header> Major city served </col_header> </cell> </table>
The BWI of Baltimore–Washington is one of the busiest airports in the United States.