Premium economy vs. business class: What are the differences? - The Points Guy

For years, the only option on most international flights was upgrading to business class. Many airlines have added premium economy on long-haul flights. Here's what you should know.

Is United Airlines premium economy worth it on long flights? - The Points Guy

Delta overhauls the premium economy experience with revamped onboard service - The Points Guy

Is Delta Premium Select (Premium Economy) Worth the Price? - The Points Guy

Is American Airlines premium economy worth it? - The Points Guy

It's Not Your Imagination: First Class Is Getting Bigger - The New York Times

Difference Between Business Class and Premium Economy

American unveils snazzy new business and premium economy cabins - The Points Guy

Five myths about premium economy

Singapore KrisFlyer Spontaneous Escapes is offering a major discount on transatlantic flights - The Points Guy