Get ready because on 3/4 Chick-Fil-A will be serving up an order of Free Waffle Fries for their customers. FREE Fry Day is on March 4th! You’ll be able to score a FREE order of Waffle Fries when you visit the store between 2 and 4 p.m., ask for Heinz Dip & Squeeze and the free fry day promotion at Chick-fil-A restaurants. You’ll receive a free medium order of Chick-fil-A waffle potato fries. Limit one per customer. No Purchase Necessary.