Night Flight

Polio breaks out in Rio de Janeiro, the serum is in Santiago and there's only one way to get the medicine where it's desperately needed: flown in by daring pilots who risk the treacherous weather and forbidding peaks of the Andes.

Night Flight is a 1933 drama movie directed by Clarence Brown, starring Clark Gable, John Barrymore, Lionel Barrymore. It holds an IMDb rating of 6.1/10 from 1,069 votes and runs 1h 24m.