Chick-fil-A and DoorDash are giving away up to 200,000 FREE Chick-fil-A Chicken Sandwiches (one per customer in participating cities)! Now through Tuesday, November 20th, 2018, you can snag your FREE sandwich when you place a $5+ order on their website or through the DoorDash app (iPhone orAndroid) and use promo code CFADELIVERY at checkout.