The most popular drive-thru belongs to Chick-fil-A according to the 2020 SeeLevel HX Annual Drive-Thru Study.
The chicken nugget fast-food chain took the top spot among 10 popular fast-food restaurants. It ranked number one in accuracy, customer service, and taste.
However, among the 10 restaurants studied, Chick-fil-A was ranked the slowest drive-thru with an average wait time of eight minutes. KFC took the number one spot in speed with an average wait time of just 4.7 minutes according to the study.