https://www.chick-fil-a.com/one
In the app go to Rewards -> My Rewards. See if you have something that says "A reward from Atlanta" offering a free food item. This could be just a freebie for Atlanta areas only. YMMV. Maybe other cities are doing a similar freebie.
The free food items choices:
- Chick-fil-A Chicken Sandwich
- Spicy Sandwich
- Grilled Chicken Sandwich
- 8 Chick-fil-A Nuggets
- 8 Grilled Nuggets
- 3 Chick-n-Strips
Offer expires in 5 days