Air travel can be stressful, even for the most experienced flyers. Unfortunately, airlines seem dedicated to creating the most convoluted systems to manage the millions of passengers that fly each year and most are left scratching their heads wondering why a few lucky ones seem to remain cool, calm, and relaxed. The following travel hacks will equip you with all the necessary information in case your flight is canceled, how you can refresh at the airport, and so much more information.