UPS delivers packages to residential addresses typically as late as 8:00 p.m., and sometimes even later during peak seasons. For business deliveries, the usual latest delivery time is by 5:00 p.m. local time. UPS Ground deliveries generally occur between 9:00 a.m. and 8:00 p.m. for residential addresses, Monday through Saturday. Delivery times can vary based on service type, location, and seasonal demand, with peak times possibly extending the delivery window.