For my birthday last year, I decided to treat myself to something new — a first-class flight on United Airlines. I figured the trip would be more comfortable than the ones I was used to in economy, ...

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 ...

I treated myself to a first-class flight with United Airlines for my birthday. I thought United's in-flight service was exceptional, and the meals were worth the upgrade. I'm already looking forward ...