Flight Kuala Lumpur International Airport departs from Kuala Lumpur Kuala Lumpur International Airport at 07:00 and arrives at Shenzhen Shenzhen Bao'an International Airport at 11:30.
The flighttime is about 4h 30m. The distance travelled ("as the bird flies"): 1487 Km. So the average speed is roughly 330 Km.