evidence: Per the company's website, Chick-fil-A has been closed on Sundays since the late S. Truett Cathy opened his first restaurant in Georgia in 1946. [...] Chick-fil-A has made its stance on Sundays crystal-clear over the years. In theory, Chick-fil-A could be making more money if its restaurants stayed open on Sundays, but that hasn't influenced the powers-that-be to change their stance on Sunday closures.