Editor’s note: Subscribe to Unlocking the World, CNN Travel’s weekly newsletter, to receive updates on destinations, aviation, dining, and accommodation. How crucial is extra legroom when flying? Incredibly so, at least according to the latest rankings from AirlineRatings.com, which highlight the world’s best airlines. Korean Air has secured the title of Airline of the Year for 2025, dethroning last year’s winner, Qatar Airways, in the esteemed annual rankings by the Australia-based aviation