Flight Shenzhen Bao'an International Airport departs from Shenzhen Shenzhen Bao'an International Airport at 07:55 and arrives at Kunming Wujiaba International Airport at 10:20.
The flighttime is about 2h 25m. The distance travelled ("as the bird flies"): 1233 Km. So the average speed is roughly 510 Km.
The best month to arrive at Shenzhen is May and the most expensive month to fly is April. (Average prices, based on 201 datapoints.)
We have a lot more statistics for flights ZH 9451 and between Shenzhen and Kunming.