Flight Hong Kong International Airport departs from Hong Kong Hong Kong International Airport at 22:55 and arrives at Manila Ninoy Aquino International Airport at 01:15.
The flighttime is about 2h 20m. The distance travelled ("as the bird flies"): 884 Km. So the average speed is roughly 379 Km.
The best day to arrive at Hong Kong is Tuesday and it would be best to avoid Friday, as prices are on average 47% higher than on Tuesday. (Average prices, based on 11708705 datapoints.)
We have a lot more statistics for flights GA 311 and between Hong Kong and Manila.