Originally Posted by nomiiiii

What is the enforcement and penalty if someone takes off the mask as soon as the plane starts flying?

Will we start seeing many diverted landings because people refuse to wear a mask on a 4 hour flight? The mask wearing situation is heavily politicized right now (conservative talk radio and fox news etc have started segments on how wearing masks is a way for the media to keep the panic alive), and rightly or wrongly, many people will be politically opposed to wearing masks. They might wear it so they're not denied boarding, but what happens when they take it off mid-flight? I don't want my travel to be disrupted because this has great chances of going haywire. Specially when at least some people who will be mostly flying in May/June will be those who don't care a lot about stay at home orders and such (else they wouldn't be flyiing).