Consider the awards (courtesy Wikipedia):
Wins The film won seven Academy Awards and received three other nominations. At the 46th Academy Awards, Julia Phillips became the first female producer to be nominated for and to win Best Picture.
Academy Award for Best Picture
Academy Award for Best Director – (George Roy Hill)
Academy Award for Best Writing, Original Screenplay – (David S. Ward)
Academy Award for Best Art Direction-Set Decoration – (Henry Bumstead and James W. Payne)
Academy Award for Best Costume Design – (Edith Head)
Academy Award for Best Film Editing – (William H. Reynolds)
Academy Award for Best Music, Scoring Original Song Score and/or Adaptation – (Marvin Hamlisch)
Directors Guild of America Award for Outstanding Directorial Achievement in Motion Pictures – (George Roy Hill)
Nominations
Academy Award for Best Actor – (Robert Redford)
Academy Award for Best Cinematography – (Robert Surtees)
Academy Award for Best Sound – (Ronald Pierce & Robert R. Bertrand)
Golden Globe Award for Best Screenplay – Motion Picture – (David S. Ward)
WGA Award for Best Drama Written Directly for the Screen – (David S. Ward)
AFI's 100 Years...100 Movies
AFI's 100 Years...100 Laughs
AFI's 100 Years...100 Heroes & Villains: Doyle Lonnegan – Villain (Robert Shaw)
AFI's 100 Years...100 Movies (10th Anniversary Edition)