Flight Pudong International Airport departs from Shanghai Pudong International Airport at 12:20 and arrives at Hong Kong Hong Kong International Airport at 15:15.
The flighttime is about 2h 55m. The distance travelled ("as the bird flies"): 988 Km. So the average speed is roughly 339 Km.
The best day to arrive at Shanghai is Sunday and it would be best to avoid Monday, as prices are on average 92.81% higher than on Sunday. (Average prices, based on 3479214 datapoints.)
We have a lot more statistics for flights CX 319 and between Shanghai and Hong Kong.