30 orders.
According to relevant information from Zhiliaohaoxue, Hangzhou KFC riders can generally deliver up to 5 orders an hour under normal weather conditions, with an average of one order every 12 minutes, so 6 hours is 5×6=30 orders.
Kentucky Fried Chicken (KFC for short) is one of the American multinational restaurant chains and the world's second largest fast food and largest fried chicken chain.