Flight Chongqing Jiangbei International Airport departs from Chongqing Chongqing Jiangbei International Airport at 02:35 and arrives at Singapore Changi Airport at 08:00.
The flighttime is about 4h 25m. The distance travelled ("as the bird flies"): 873 Km. So the average speed is roughly 198 Km.
There is an 1 hour time difference between Chongqing and Singapore