All this talk about the strange disappearance of Malaysia Airlines airplane reminded me of two, not very famous, but in my opinion very interesting movies about airplane accidents:
The Langoliers
On a red eye flight to Boston from LA 10 people wake up to a shock. All the passengers and crew have vanished. When they try to contact the ground they make no connections. They land the plane only to discover that things haven't changed. But its like the world is dead. No one is there, the air is still, sound doesn't echo, the food is tasteless. And a distant sound is heard coming closer. A race of monstrous beings bent on their destruction is heading for them, eating everything in sight.
http://www.imdb.com/title/tt0112040
Millennium
Bill Smith, chief investigator for the National Transportation Safety Board, is hired to determine whether human error is the cause of an airline crash. He and his team of investigators are very confused by the words on the cockpit voice recorder by the crew relating to the crash. But at the same time, a theoretical physicist named Dr. Arnold Mayer has a real professional curiosity about the crash, which borders on science fiction. While giving a lecture, he talks about time travel and the possibility of visitors from the future. Smith discovers the involvement of an organization of time travellers from a future Earth irreparably polluted who seek to rejuvenate mankind from those about to perish in the past.
http://www.imdb.com/title/tt0097883