First-class fliers have a code. It’s subtle and usually comes with a glass of champagne. If you want fit in before you fall flat in a sea of stares, learn the unspoken rules—lest you mistake the amuse ...

Let's be honest, flying isn't as fun as it once was. Constant delays and cancellations, planes with no empty seats, no free checked bags, and seats that seemingly grow more uncomfortable each year all ...