Editor’s note: Sign up for Unlocking the World, CNN Travel’s weekly newsletter . Get news about destinations, plus the latest in aviation, food and drink, and where to stay. CNN  —  Think you’re ready for the changes coming to air travel in 2025? No, you aren’t. We are firmly charging into a new era of travel, led by innovations and explorations that seemed impossible or, at best, highly unlikely only a few years ago. New planes, new routes, new partnerships and new strategies are the name of