Flight Bandaranaike International Airport departs from Colombo Bandaranaike International Airport at 02:05 and arrives at Lahore Allama Iqbal International Airport at 05:25.
The flighttime is about 3h 50m. The distance travelled ("as the bird flies"): 844 Km. So the average speed is roughly 220 Km.
There is an 0.5 hour time difference between Colombo and Lahore