About 7 hours and 9 minutes.
According to Baidu Map query, the total distance from Lanzhou to Chengdu is 868.7 kilometers. Take the high-speed train D762 at Lanzhou Station, get off at Chengdu East Station, and arrive in Chengdu.
The total time taken was approximately 7 hours and 9 minutes.
Chengdu’s delicacies: taro chicken, braised rabbit head, hot pot, chuanchuanxiang, baked egg cake, wolf-toothed potatoes, strange-flavored noodles, sweet water noodles, and diving frog.