It's from the 1970 film Airport. It was based on the 1968 novel of the same name by Arthur Hailey. The plot centered on an airport struggling to stay open during a massive snowstorm, while a suicidal passenger plans to blow up a plane in flight. The film starred a huge ensemble cast, which included Dean Martin, Burt Lancaster, George Kennedy, Helen Hayes, Jean Seberg, Jacqueline Bisset, Van Helfin, Barry Nelson, Gary Collins, Maureen Stapleton, etc. Dean Martin played pilot Captain Vernon Demerest. The film was a huge blockbuster, which also achieved a lot of critical acclaim. It received countless Oscar nominations. Helen Hayes won the Academy Award for Best Supporting Actress. The film spawned several sequels and helped launched the disaster film genre.
Here's a movie trailer done for the film by a fan:
