The top mistakes in United 93 http://www.moviemistakes.com/film5664 en Sat, 04 Feb 2012 06:58:22 +0000 106178 After the hijackers have taken over the plane, the blond flight attendant's hair, styled in a French Twist, keeps changing from messy (presumably from the chaos) to as smooth and neat as when she boarded the plane. She's never offscreen long enough to have simply fixed it. Not until the passengers revolt does it remain disheveled. 111451 At the end, during the fight scenes in the first class cabin, the number of overhead compartment doors that are open changes. 108686 In an early runway scene, a billboard for the film Chicken Little (2005) can be seen in the background. 108684 After takeoff, an exterior shot of the plane switches from a Boeing 757 to an Airbus A320. 108676 During the hijack, a female passenger goes to help another one who has been stabbed in the neck, bleeding profusely. When she returns to her seat, she has no blood on her.