Flight Bandaranaike International Airport departs from Colombo Bandaranaike International Airport at 11:45 and arrives at Singapore Changi Airport at 18:25.
The flighttime is about 4h 10m. The distance travelled ("as the bird flies"): 2677 Km. So the average speed is roughly 642 Km.
There is an 2.5 hour time difference between Colombo and Singapore
