2-4 days. According to the logistics information, the delivery time of express delivery in the province is 1-3 days, and the delivery time outside the province is 2-4 days. The express delivery from Chengdu to Dali Prefecture in Yunnan Province belongs to inter-provincial express delivery, which takes 2-4 days to deliver. Chengdu, referred to as "Rong" for short, is also called Rongcheng and Jincheng, a prefecture-level city under the jurisdiction of Sichuan Province, a provincial capital, a sub-provincial city, a megacity, a national central city and a world food capital.