Flight Heathrow Airport departs from London Heathrow Airport at 22:05 and arrives at Shenzhen Shenzhen Bao'an International Airport at 17:15.
The flighttime is about 12h 10m. The distance travelled ("as the bird flies"): 12360 Km. So the average speed is roughly 1016 Km.
There is an 7 hour time difference between London and Shenzhen
