Delta said it hopes to drive its Porsche shuttle service to other airports.

WSJ: The Tarmac Express: A Porsche to the Plane

Boyd cautioned against reading Delta's emphasis on expanding its international business as a sign it will cut back on domestic routes, arguing that more international flights enhances the domestic operation by creating more demand to shuttle Europe-bound passengers to East Coast airports like Atlanta and New York.

FORBES: Magazine Article

Air travel is essential to shuttle fans between games, but most of Brazil's airports are already operating above their nominal capacity.

ECONOMIST: Airports and stadiums are behind schedule