Mayday at 40,000 Feet 1976

Flight departs Los Angeles

Transcon Airways Flight 602, a Boeing 727, departs Los Angeles for New York with Captain Pete Douglas anxious to return home due to a family emergency. The crew conducts preflight checks as the passengers settle into their seats for the long journey. The flight begins its climb into winter skies.

Salt Lake City stop; Greco boards

The plane makes a scheduled stop in Salt Lake City, where Federal Marshal Sam Riese transfers custody of Greco, a two-time killer. Greco is boarded onto the flight alongside the prisoners and the rest of the passengers. The mood aboard tensions as the criminal presence becomes more pronounced.

Marshal dies and Greco seizes weapon

Shortly after leaving Salt Lake City, the Federal Marshal suffers a fatal heart attack and Greco seizes his gun. In the ensuing struggle, Greco fires wildly, wounding Captain Douglas and nurse Susan McKenzie, and puncturing hydraulic lines that control critical systems. The airliner is thrust into a life-threatening emergency far from home.

Fuller subdues Greco and prisoner guard placed

Fuller tackles Greco, knocks him unconscious, and disarms him. An Army officer aboard is placed in charge of guarding the prisoner as the crew regains some control over the situation. The passengers and crew brace for ongoing danger aboard the crippled aircraft.

Flight crew retakes cockpit; flight attendants aid passengers

With the cockpit under control, the remaining flight crew assumes responsibility for flight operations while head flight attendant Terry Dunlap and her colleagues tend to injured passengers. Medical needs are addressed as best as possible under the strained conditions. The cabin works to keep order despite the damage and threat on board.

Snowstorm forces Chicago-bound flight

A severe Midwestern snowstorm blocks nearly all Midwestern airports, forcing the crippled aircraft to press on toward Chicago for a safer landing. The extended flight time endangers the wounded pilot and the passenger under Dr. Mannheim's care. The crew fights to keep everyone alive while the plane continues in perilous conditions.

Crosswind landing approach at Chicago

As they near Chicago, Burkhart and Fuller wrestle with the controls to keep the 727 from veering off the runway in a challenging crosswind. The pilots struggle with limited hydraulic power and compromised instruments. Emergency vehicles line the runway as the aircraft makes a bumpy approach to land.

Greco's second escape attempt foiled

Greco makes another escape attempt as the emergency vehicles approach, but Burkhart subdues him before he can cause further trouble. The threat on board is temporarily contained, allowing the crew to focus on a safer, controlled landing. Tension on the plane eases slightly with Greco restrained.

Captain Douglas and Susan reach a Chicago hospital

Captain Douglas and Susan McKenzie are rushed from the aircraft to a Chicago hospital for treatment. Douglas learns that his wife Kitty has undergone a breast cancer biopsy and the results show a benign tumor. The personal crisis aboard the flight adds to the emotional toll of the emergency.

Dr. Mannheim confirms Susan's prognosis

Dr. Mannheim informs that Susan McKenzie is expected to make a full recovery. The medical news shifts the focus from mere survival to healing and resilience for those on board. Hope returns as the hospital staff outlines the positive prognosis.