Flightplan 2005 - Jodie Foster

Kyle Pratt (Jodie Foster) is a propulsion engineer based in Berlin, Germany. Her husband David (John Benjamin Hickey) died from falling off the roof of an avionic manufacturing building, and now Kyle and her six year-old daughter Julia (Marlene Lawston) are flying home to Long Island to bury him and stay with Kyle's parents. They fly aboard a passenger aircraft, an Elgin 474, which Kyle helped design. After falling asleep for a few hours, Kyle wakes to find that Julia is missing. After trying to remain calm at first, she begins to panic, and Captain Marcus Rich (Sean Bean) is forced to conduct a search. Kyle walks the aisles, questioning people, but none of her fellow passengers remember having seen her daughter. One of the flight attendants calls in to the airport they just departed from and, shockingly, the gate attendant says that they have no record of Julia boarding the flight. In addition, according to the passenger manifest, Julia's seat is registered empty. When Kyle checks for Julia's boarding pass, it is missing.

Read more - http://en.wikipedia.org/wiki/Flightplan