Mayday at 40,000 Feet! (aka Panic in the Open Sky and Mayday: 40,000 ft!) is a 1976 American made-for-television drama film, directed by Robert Butler. The film stars David Janssen, Don Meredith and Christopher George, along with an all-star cast primarily playing the roles of passengers and crew aboard an airliner in crisis.[1]
https://en.wikipedia.org/wiki/Mayday_at_40,000_Feet!