CBR ranks Harrison Ford's best films based on Rotten Tomatoes - which is based on critical reviews. Not sure how ties are broken - maybe by the number of reviews.
https://www.cbr.com/best-harrison-fo...nner-1982---89
10. Blade Runner (1982) - 89%
09. Star Wars: Episode IV - A New Hope (1977) - 93%
08. Witness (1985) - 93%
07. Star Wars: Episode VII - The Force Awakens (2015) - 93%
06. Raiders of the Lost Ark (1981) - 93%
05. Star Wars: Episode V - The Empire Strikes Back (1980) - 94%
04. American Graffiti (1973) - 96%
03. The Fugitive (1993) - 96%
02. The Conversation (1974) - 97%
01. Apocalypse Now (1979) - 98%