Baltimore, MD - Dec. 7, 2025 - BWI Thurgood Marshall Airport is preparing to unveil the largest construction project in its history, a $425 million expansion that promises to transform the travel experience for millions of passengers.

The centerpiece of the project is a new connector between Concourses A and B, designed to streamline passenger movement and particularly benefit Southwest Airlines travelers, the airport's largest carrier.

"It really is in line with advancing all of the transportation needs for our largest air carrier and that's Southwest Airlines," BWI Thurgood Marshall Airport Executive Director/CEO Shannetta Griffin said.

The upgrade features five modernized gate areas equipped with additional seating, built-in charging ports, new glass boarding bridges, and brighter, open spaces filled with natural light.... Read More: WMAR2NEWS