Travelers receive more than a few perks when they decide to fly first class. The highest level of service means first-class ticket holders experience plenty of privileges on the ground and in the air.

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 ...

For some travelers, nothing can kill that premium-cabin buzz quicker than an infant next to them. But for parents, despite the overwhelming opposition (and glaring side-eye), seats in the front of the ...