Which is the largest airport which serves Sauce Viejo Airport?
Austral Líneas Aéreas Cielos del Sur S.A., operating as Austral Líneas Aéreas, more commonly known by its shortened name Austral, is a domestic airline of Argentina, the sister company of Aerolíneas Argentinas. It is the second largest domestic scheduled airline in the country, after Aerolíneas Argentinas itself. As a subsidiary of Aerolíneas Argentinas, the company shares its headquarters with that airline, which is located in the Aeroparque Jorge Newbery of Buenos Aires, the main base of operations of the company.
Aviacsa Consorcio Aviaxsa, S.A. de C.V., doing business as Aviacsa, was a low-cost airline of Mexico with its headquarters in Hangar 1 of Zone C on the property of Mexico City International Airport in Venustiano Carranza, Mexico City, Mexico. The airline operated domestic services until the airline's grounding, radiating from major hubs at Monterrey, Mexico City and Guadalajara and international service to Las Vegas, Nevada in the USA. Aviacsa also had a U.S. office in Houston.