This sounds like it might be playing a role. A while back someone posted an article about jet stream changes forcing commercial flights to land. https://www.t

This sounds like it might be playing a role. A while back someone posted an article about jet stream changes forcing commercial flights to land. https://www.theweathernetwork.com/gh/news/article/stronger-jet-streams-are-leading-to-longer-flight-times-research-says https://www.theweathernetwork.com/gh/news/article/stronger-j...