According to Business Insider, waffle fries were the most popular menu option at Chick-fil-A in 2018. It was followed by soft drinks at number 2 and Chick-fil-A's nuggets in third. The classic Chick-fil-A chicken sandwich and the chain's ice tea round out the top 5. Chick-fil-A is reportedly poised for a big 2019, with analysts expected it to become the third largest fast-food chain for sales in the US, behind only McDonald's and Starbucks.