(at around 1h 12 mins) When Maggie frees herself from the handcuffs she is still wearing a waist chain, but when she emerges from the van she is not wearing it.
(at around 1h 14 mins) The tanker truck assumed to be carrying gasoline is missing the hazardous materials placards. These placards are legally required to be visibly posted on all four sides of any haz-mat container.
(at around 1h 20 mins) When Maggie is flying an airplane; the head-on shot of the pilot is seen to be a man, and wearing a headphone, which she is not.
(at around 1h 7 mins) When being interrogated at the police station, the sheriff said that Maggie had no record when they ran her name, but they never say if they ran Jack's name and that he had a record. If they had run his name he probably would have gone to jail and Maggie would have been freed.