Millions in profits from one cabin upgrade. What is this aviation phenomenon and why are travelers flocking to it?

U.S. airlines are going all in on premium travel this year, but a United exec said it can't alienate economy passengers.

Premium economy has slowly become what most industry observers would argue is the most confusing cabin in the sky. At times, the seats are essentially identical to those in economy, but with a bit ...

Don't get tricked next time you pay for an airline upgrade, because you might not be getting what you expect. Here's what I mean. I'm going to show you a few pictures and I want you to pick the one ...