The Sundrome, later TWA Domestic Terminal and Terminal 6, was one of several terminals at John F. Kennedy International Airport. It was designed by I. M. Pei & Partners (now Pei Cobb Freed & Partners). Opened in 1970, it was initially used by National Airlines. It had been occupied at various times by Trans World Airlines (domestic flights), Pan American World Airways, United Air Lines (domestic flights), ATA Airlines, Pan American Airways (1996-1998), Carnival Airlines and Vanguard Airlines. Most recently, from 1998–2008, Terminal 6 was the home of JetBlue Airways. It became vacant on October 22, 2008, when JetBlue moved to Terminal 5, and finally demolished in 2011.
Prior to the construction of the Sundrome, National Airlines used a corrugated metal quonset hut as a terminal located between the eventual location of the Sundrome and Terminal 7 from 1948, when the airline first provided air service from Idlewild Airport, as it was then known. National Airlines commissioned the construction of the Sundrome, which it used until its acquisition by Pan American World Airways in 1980.
TWA then expanded into the terminal, referring to it as the TWA Terminal Annex, later called TWA Domestic Terminal, then Terminal 6. It was eventually connected to the TWA Flight Center (later called TWA International Terminal and subsequently called Terminal 5 which now partially preserved as the TWA Hotel). The connection was by a landslide plywood walkway that way interrupted by a terminal driveway. Later, after TWA reduced flights at the airport, the terminal was used by United Airlines, ATA Airlines, a reincarnated Pan American Airways (from 1996-1998), Carnival Airlines, Vanguard Airlines, and America West Airlines.
On April 29, 2010, the Port Authority of New York and New Jersey announced that Terminal 6 would be demolished to allow JetBlue to consolidate its operations at an expanded Terminal 5. Despite an effort by preservationists to protect the building, demolition of the entire terminal was completed as planned in October 2011. The former Terminal 6 site is being used to expand the current Terminal 5 to include international facilities.
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- "Port Authority Prepares for Future Aviation Growth by Creating New Development Sites at JFK Airport" (Press release). Port Authority of New York & New Jersey. April 29, 2010. Retrieved 2011-07-20.
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- "JetBlue Gets Green Light to Build New International Arrivals Extension to its Home at JFK's Terminal 5" (Press release). JetBlue Airways. May 31, 2012. Archived from the original on July 9, 2012. Retrieved June 13, 2012.