Flight Shenzhen Bao'an International Airport departs from Shenzhen Shenzhen Bao'an International Airport at 12:40 and arrives at Singapore Changi Airport at 16:40.
The flighttime is about 4h 00m. The distance travelled ("as the bird flies"): 1318 Km. So the average speed is roughly 330 Km.
The best day to arrive at Shenzhen is Tuesday and it would be best to avoid Friday, as prices are on average 971.2% higher than on Tuesday. (Average prices, based on 54052 datapoints.)
We have a lot more statistics for flights ZH 9023 and between Shenzhen and Singapore.