United Air Lines Inc., is a major airline based in the United States and one of the world's largest airlines with 86,852 employees and 356 aircraft. It is a subsidiary of United Continental Holdings, Inc. formerly, UAL Corporation, with corporate headquarters in Chicago. United's largest hub is Chicago's O'Hare International Airport. United also has hubs in Washington Dulles International Airport, Denver International Airport, San Francisco International Airport, Los Angeles International Airport, and Narita International Airport near Tokyo.
Carnegie Hall is a concert venue in Midtown Manhattan in New York City, United States, located at 881 Seventh Avenue, occupying the east stretch of Seventh Avenue between West 56th Street and West 57th Street, two blocks south of Central Park.