15 minutes. According to checking food websites, the air fryer for salt-crisp chicken is preheated and the temperature is set to 180 degrees, the flour-coated chicken is placed in the fryer and baked for 8 minutes, flipped over and baked for another 7 minutes to finish, so the air fryer salt-crisp chicken takes 15 minutes. Air Fryer Salt Crisp Chicken is a delicious homemade dish that is easy to make and crispy.