Other mistake: When Ali first carries Stephanie to swim in the sea, she is wearing a bra, but only removes a T-shirt in the water. (00:41:35)
Other mistake: After the medical student leaves the unconscious co-pilot to one of the other passengers to watch while he goes to the bathroom, she notices his hands grow cold after a bit. It is only then they realise he has stopped breathing, and then get a defibrillator out and are successfully able to use it to revive him with CPR as well. However if he has stopped breathing for long enough that his hands have started to get cold, he would already be way too far gone to be able to be revived.
Other mistake: Herman said, "I remember, at one point, this girl was running right towards the door, 50 feet away." The flashback view showed a girl maybe 10-15' from the door. (00:21:45)