Delayed Flight is a 1964 British low-budget 'B'[1] thriller film directed by Tony Young, and starring Helen Cherry and Hugh McDermott.

An airline flight lands at an airport in England, where the passengers are told they must be delayed and quarantined for 24 hours due to a smallpox scare.

Before dying, he entrusts important official documents to Brampton to be delivered to the Prime Minister.

The two team up and are pursued by the police for breaking quarantine, and by the two sinister henchmen who shot the secret agent and who work for an organization that wants the documents in order to instigate an uprising in Africa.

In Australia, it was shown to accompany other Columbia films such as Fail Safe (1964) and The Long Ships (1964).