Planning a trip to Hualong/Jiuzhaigou from Chengdu around June 27; traveling alone

Q1: I am going for 3 days/2 nights. Is it a bad idea to go on Saturday and Sunday?
Q2: I want to spend 1 day in Hualong and 2 days in Jiuzhaigou? Which is the better choice?
Choice 1: Chengdu>Morning air> shuttle bus > Hualong (day and hotel) > morning bus or taxi > Jiuzhaigou (2 day/1 night hotel) > evening shuttle > airport > Chengdu
Choice 2: Chengdu>Morning air> shuttle bus > Jiuzhaigou (day and hotel) > bus or taxi > Hualong (day only) > bus or taxi > Jiuzhaigou (hotel and following day)> evening shuttle bus > airport > Chengdu Thank you for your advice—xiexie