Anecdotal, but on the last few flights that I've taken. I was told that you can use them, but you can't charge them on the flight. This was inside the US, Ameri

Anecdotal, but on the last few flights that I've taken. I was told that you can use them, but you can't charge them on the flight. This was inside the US, American Airlines, and United. I can't speak to the other airlines.