American Express just revealed its biggest airport lounge expansion ever

American Express is making another big bet on airport lounges, and its next expansion includes what will become the largest Centurion Lounge in its network. The company announced plans to open new Centurion Lounges at Newark Liberty International Airport and London Heathrow Thursday, along with plans to significantly expand its existing spaces in the Philadelphia and Houston airports. American Express (Amex) is calling it the largest expansion of the Centurion Lounge network to date. The headline addition is Newark. Amex had previously announced plans for an 18,000-square-foot lounge at the airport, but it has now expanded those plans to more than 30,000 square feet. The two-story lounge is scheduled to open in Terminal A in 2027. Once it opens, American Express says it will become the first credit card issuer to operate proprietary lounges at all three major New York City-area airports. The company already operates Centurion Lounges at John F. Kennedy International Airport and LaGuardia Airport. “Since opening our first Centurion Lounge more than a decade ago, we continue to find ways to meet the growing demand for our premium airport lounge experiences,” said Audrey Hendley, pre…