I flew first class with Delta for the first time. I was surprised by the food, in-seat amenities, and bathroom products.

At the same time, a handful of airlines are doubling down on ultra-exclusive first class experiences, complete with enclosed ...

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 ...