Lufthansa's new cabin concept, Allegris, is now available on flights from Munich to several U.S. cities. Allegris features redesigned seats in all classes, from first class suites to economy.

Here are the full rankings of the best North American airlines for business, premium economy, and economy class, according to passengers themselves: As the most discerning, up-to-the-minute voice ...

First class is where Lufthansa’s new Allegris concept ... noise canceling headphones and other premium amenities. Premium economy on long-haul airlines is becoming more and more standardized ...