27 Game-Changing Hacks Every Frequent Flier Should Know

Easy, breezy air travel? Yes, PLEASE!

These genius flight hacks minimize the headache that comes with busy airports and long flights. But surprisingly, not every frequent flier knows them all. We were familiar with some tips, like the speed of TSA PreCheck and the ability to cancel almost any flight within 24 hours of booking, but other hacks were shocking news: You could get in-flight food faster as a vegetarian? And you can buy a day pass to an airline lounge?!

So study up, learn 'em all, and pass this handy guide along to the travelers in your life. They'll thank you.

Graphic by Business Insider

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