Slight chance of plans

1) Arrive in PVG on Sunday afternoon
2) Business (Mo - Fri)
3) Wednesday afternoon time to explore Shanghai
4) Travel to Xi'an Saturday early afternoon
5) Visit Terracotta Warriors and Muslim district on Sunday
6) Cycle city walls, visit Pagodas on Monday
7) Travel to Beijing on Tuesday morning
8) Visit Tianmen Sq and Forbidden Palace on Wednesday
9) "Backpackers Hostel Trip" to Mutianyu on Thursday ("odd_number day" )
10) Lama Temple, Confucius Temple, Beihai Park on Friday
11) Flying home Saturday afternoon.

What do you think?
I also plan to buy a bullet train ticket Xi'an-Beijing on that Wednesday afternoon in Shanghai. Possibly at an English window at a train station.