Flight Hong Kong International Airport departs from Hong Kong Hong Kong International Airport at 15:40 and arrives at Shanghai Hongqiao International Airport at 18:00.
The flighttime is about 2h 20m. The distance travelled ("as the bird flies"): 942 Km. So the average speed is roughly 404 Km.
The best month to arrive at Hong Kong is October and the most expensive month to fly is December. (Average prices, based on 10551 datapoints.)
We have a lot more statistics for flights MH 238 and between Hong Kong and Shanghai.