The San Antonio International Airport is adding three new nonstop flights this week, two domestic and one international. On Saturday, Viva Aerobus launched its twice-weekly flight to Torreon, Mexico. That route will fly on Tuesdays as well. Southwest Airlines takes off today for Burbank, California, for the first daily flight to the destination. On Wednesday, American Airlines will launch a daily nonstop to Philadelphia. April was the airport's 12th straight record-breaking month, with seven-percent more passengers than April 2023.