Refrigerate air fried chicken breasts in an airtight storage container for up to 5 days. TO REHEAT: Gently rewarm chicken in the air fryer or oven at 370 degrees F. TO FREEZE: Freeze leftovers in an airtight freezer-safe storage container for up to 3 months. Let thaw overnight in the refrigerator before reheating or use the microwave to thaw.