The next busy summer travel season is just around the corner, so airlines have added a number of flights to help travelers going to and from Texas make it to their destinations with ease. Southwest Airlines introduced new weekday nonstop service between Austin-Bergstrom International Airport and Milwaukee, Wisconsin, in addition to seasonal flights between Austin and Reno-Tahoe International Airport in Nevada. Delta Air Lines has added five new routes from Austin to New Orleans, Louisiana; Panama City and Tampa in Florida; Memphis, Tennessee; and San Francisco, California.