13 Hours by Air (also known as 20 Hours by Air) is a 1936 American drama film made by Paramount Pictures and directed by Mitchell Leisen. The film stars Fred MacMurray and Joan Bennett. The screenplay was written by Kenyon Nicholson and Bogart Rogers, based on story Wild Wings by Rogers and Frank Mitchell Dazey. 13 Hours by Air was also the forerunner of the disaster film, a genre featuring a complex, heavily character-driven ensemble cast, exploring the personal dramas and interactions that develop among the passengers and crew as they deal with a deadly onboard emergency.