​NEW YORK – Delta has renewed and expanded a 10-year marketing partnership with the Madison Square Garden Company and MSG Networks, solidifying New York's largest carrier as one of MSG's Signature Partners. Delta will remain the Official Airline and Private Jet Carrier of Madison Square Garden, the Theater at Madison Square Garden, Beacon Theatre, the New York Knicks, the New York Rangers, the New York Liberty, the Concert Series at Madison Square Garden, Radio City Music Hall, the Christmas Spectacular Starring the Radio City Rockettes and the Boston Calling Music Festival.