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

A game-changer for US airlines, this cutting-edge aircraft is set to revolutionize long-haul travel like never before.

The world's longest flights are now over 8,000 miles, but which airlines dominate this ultra-long-haul market?

Airline cabin classes like premium economy, business, and first class can be confusing and vary significantly between domestic and international flights. On most U.S. domestic flights, "first class" ...