What headphones or IEMs do you use when you go for a long or short flight or just the train ride? Im going on vacation soon, its a 6hr flight. I need some ideas from all the audiophiles who travel

I know you guys have probably seen this post thousands of times but hear me out.. I know a thing or two about headphones and i know for just pure sound quality bose is not a name i should mention. However circumstances have popped up where i will be travelling by plane and train. I want to say...