In the United States, the minimum age to work at Chick-Fil-A is 16 years old. However, in some instances, such as training or working in limited capacity, 14 year old children may be able to work at Chick-Fil-A.
The age requirements vary by state and jurisdiction, so it is important to check with the business in question before allowing a child to work. In general, it is best to keep children out of the workforce until they are at least 18 years old.