Ace Eli and Rodger of the Skies (1973)
Ace Eli and Rodger of the Skies is a 1973 American adventure-comedy film, with a story by Steven Spielberg. The film centers on a barnstorming pilot (Cliff Robertson) and his son (Eric Shea) as they fly around the United States in the 1920s, and their adventures along the way.
More at Wikipedia.