Carrasco International Airport was initially inaugurated in 1947 and in 2009, Puerta del Sur, the airport owner and operator, with an investment of $165 million, commissioned Rafael Viñoly Architects to expand and modernize the existing facilities with a spacious new passenger terminal to increase capacity and spur commercial growth and tourism in the region. The London-based magazine ''Frontier'' chose the Carrasco International Airport, serving Montevideo, as one of the best four airports in the world in its 27th edition. The airport can handle up to 4.5 million users per year. PLUNA was the flag carrier of Uruguay, and was headquartered in Carrasco.