Flight Taoyuan International Airport departs from Taipei Taoyuan International Airport at 09:50 and arrives at Shanghai Pudong International Airport at 12:05.
The flighttime is about 2h 15m. The distance travelled ("as the bird flies"): 358 Km. So the average speed is roughly 159 Km.
The best day to arrive at Taipei is Tuesday and it would be best to avoid Monday, as prices are on average 72.71% higher than on Tuesday. (Average prices, based on 139390 datapoints.)
We have a lot more statistics for flights BR 712 and between Taipei and Shanghai.