United collaborates on new Washington Dulles concourse

United Airlines is working with the Metropolitan Washington Airports Authority as it plans to build a new, 14-gate concourse at Washington Dulles International Airport to replace the outdoor boarding areas now used for some regional flights. The plan, which could cost up to $800 million, is “the first step in a long-term strategy to expand and enhance the facilities and services at Dulles as we look toward the future,” said Jack Potter, president and CEO of MWAA