Flight International Airport departs from Dubai International Airport at 23:00 and arrives at Colombo Bandaranaike International Airport at 04:55.
The flighttime is about 4h 25m. The distance travelled ("as the bird flies"): 2801 Km. So the average speed is roughly 634 Km.
There is an 1.5 hour time difference between Dubai and Colombo
The best day to arrive at Dubai is Monday and it would be best to avoid Friday, as prices are on average 43.02% higher than on Monday. (Average prices, based on 54473 datapoints.)
We have a lot more statistics for flights UL 226 and between Dubai and Colombo.