We are arriving Chengdu airport on 22.40, should be finished custom and immigration on about 23.30.

Generally speaking, you can pass the custom and get your luggage at about the midnight. Don't worry about the taxi problem. There are always several taxies that can take you to your destination. The cab fare in the night is CNY 9 for the first 2 kilometers and CNY 2.2 for each extra kilometers. It's a little bit more expensive than the daytime. If you find the taxi from official taxi companies, it's safe.

Hi Christine, thank you very much for your information. Now I feel safe to take taxi At Chengdu Airport. Wish you have a nice day.