Flight Pudong International Airport departs from Shanghai Pudong International Airport at 12:55 and arrives at Hong Kong Hong Kong International Airport at 16:00.
The flighttime is about 3h 05m. The distance travelled ("as the bird flies"): 988 Km. So the average speed is roughly 320 Km.
The best day to arrive at Shanghai is Wednesday and it would be best to avoid Tuesday, as prices are on average 107.83% higher than on Wednesday. (Average prices, based on 2818622 datapoints.)
We have a lot more statistics for flights KA 877 and between Shanghai and Hong Kong.