Originally Posted by
kitsura
Why not take the HSR between Shanghai and Nanjing instead of domestic flights? Peak hour frequency is 15mins and fastest time is 1 hr to reach Nanjing.
You're overlooking:
1) the hour that it takes to get from PVG to either Shanghai Stn or Hongqiao Stn
2) the possibility that you might end up waiting for an hour+ to get a seat on a train