Originally Posted by
NikoGoutakolis
There is nothing ethically wrong about filming the situation, until a UA rep or police officer tells you not to.
United may want you to refrain from filming crew, but you have rights to film as an independent journalist, even if it’s technically prohibited.
Only in public spaces, e.g. at the gate.
Inside the plane the airline gets to make the rules, but if they want the video handed over and/or deleted, it's a civil matter. By the time they sue you, it will have played out on YouTUbe.