Flying first class once meant showers of Champagne and cold caviar. Now, it's a Shake Shack burger, hold the fries. Iain Bagwell/Delta Digging into fast food faves is now an unexpected first-class ...

If you’re planning on taking a short hop over a few states or making the coast-to-coast journey, you may be weighing the pros and cons of premium air fare on a relatively short flight. The experience ...