Flight Shenzhen Bao'an International Airport departs from Shenzhen Shenzhen Bao'an International Airport at 00:10 and arrives at Johannesburg OR Tambo International Airport at 07:40.
The flighttime is about 13h 30m. The distance travelled ("as the bird flies"): 8733 Km. So the average speed is roughly 647 Km.
There is an 6 hour time difference between Shenzhen and Johannesburg