Yes, I flew on 747-400 for 4 times. I flew out AMS-LAX on KLM, and also, I flew out LHR-PHX for 3 times on British Airways. I enjoy ride on the 747-400 aircraft. Soon, they will downgrade from 744 to 787-9 Dreamliner as October 29, 2019. I will miss 747 very much. This is my last ride.