The reason why she was like that is because she saw someone who wasn't really real, so she saw a skinwalker and then she, like the person he was sat next to basically, if you see a black man at the back, that's the man and he wasn't real, and she got scared, or maybe there's two reasons, or because he said he was going to take the whole plane down before they landed, no before they, what? Before they went to take off, okay.