United Airlines will renovate and expand its Polaris Lounge at Chicago's O'Hare International Airport (ORD), adding more space to the first premium lounge it opened in its now-extensive network.

Where does United have Polaris lounges? Four more Polaris lounges are coming on line: Washington-Dulles, Tokyo Narita, London Heathrow, and Hong Kong. Currently, there are five Polaris lounges ...