Southwest Airlines adding new nonstop routes starting this fall

Southwest Airlines Co. (NYSE: LUV) last week announced some new routes that will begin in October.The Dallas-based airline is beefing up its routes out of Houston and adding more service to its operations out of Phoenix Sky Harbor International Airport."Our customers are looking for more options to fit their busy lifestyles," said Craig Drew, Southwest's senior vice president of air operations, in a prepared statement. "And we're answering their demands by adding more service on the most po