The Flight That Disappeared (a.k.a. Flight That Disappeared) is a 1961 American science fiction film directed by Reginald Le Borg and produced by Robert E. Kent, starring Craig Hill, Paula Raymond, and Dayton Lummis. The film was released by United Artists. The film's storyline deals with an alien abduction. When his flight disappears, a rocket scientist finds himself on trial in the future for his part in designing a weapon that has destroyed all life on Earth.

Plot

Trans-Coast Airways Flight 60 leaves Los Angeles on a flight to Washington, D.C. Three scientists on board the transcontinental flight have been summoned to a classified meeting at the Pentagon, concerning the "beta bomb", a new bomb design and the rocket to deliver it. Mid-flight, the Douglas DC-6 airliner mysteriously begins to climb, to over 10 miles high. Back at the airline headquarters, Operations Manager George Manson tries to keep in contact with the flight, but is sure that nothing can be done to save the passengers and crew.