Flight Changi Airport departs from Singapore Changi Airport at 12:30 and arrives at Medina Prince Mohammad Bin Abdulaziz Airport at 12:50.The flight has a short stop at Jakarta.
The flighttime is about 5h 20m. The distance travelled ("as the bird flies"): 7041 Km. So the average speed is roughly 1320 Km.
There is an 5 hour time difference between Singapore and Medina