Air travel this summer is going to be nuts: Some 246.1 million passengers will fly on U.S. airlines between June 1 and August 31—an average of about 2.68 million passengers per day, according to the recent forecast from Airlines for America (A4A), a trade group that represents the largest airlines in the U.S. Put more simply? That security line—and the one at your regular airport Auntie Anne's—is going to be longer than usual. Here's what you can do to minimize the stress of handling the summer rush.