Delayed Flight(1964)

Delayed Flight is a thriller that follows two ordinary airplane passengers who find themselves thrust into espionage when a secret agent is murdered aboard their flight. With the agent's mission left unfinished and dangerous forces closing in, the pair must navigate the high-stakes world of international intrigue they never asked to join. As they work to complete the dead operative's assignment, they discover that trust is a luxury they can't afford and that survival depends on staying one step ahead of those hunting them. The film balances tension with unexpected humor as these unlikely heroes grapple with circumstances far beyond their control, turning a routine flight into a race against time.