A new nonstop flight between San Antonio and Mexico will take to the air late this year. Starting December 1st, Viva Aerobus, a low-cost airline, will depart twice a week from San Antonio International Airport to Queretaro International Airport. Arrivals and departures at both airports will be on Mondays and Fridays. Travelers will fly aboard the airline's Airbus A321 aircraft, which has 240 seats. Jesus Saenz, director of airports for the San Antonio Airport System, welcomed the new flight.