Waiting in the TSA security checkpoint line is often the most frustrating part of air travel. And if you haven't enrolled in TSA Pre-Check, the wait can be downright brutal if you're flying out at a busy time. To help travelers plan ahead and know exactly what to expect, Upgraded Points has analyzed TSA data at 25 major U.S. airports to determine the best and worst when it comes to getting through security. Let's block ads! (Why?)