American Airlines is planning to open a new grab-and-go lounge at New York's John F. Kennedy International Airport by the end of this year, its first new facility at the airport in more than four years as it continues its fight for high-paying customers to close a profit gap with Delta Air Lines and United Airlines . The new lounge, a 3,700-square-foot space, will include a barista bar with hot and iced coffee drinks as well as hot and cold food travelers can grab. Airlines have been adding