Flight Don Mueang International Airport departs from Bangkok Don Mueang International Airport at 16:10 and arrives at Jakarta Soekarno–Hatta International Airport at 19:45.
The flighttime is about 3h 35m. The distance travelled ("as the bird flies"): 844 Km. So the average speed is roughly 236 Km.
The best day to arrive at Bangkok is Thursday and it would be best to avoid Wednesday, as prices are on average 85% higher than on Thursday. (Average prices, based on 17227411 datapoints.)
We have a lot more statistics for flights QZ 255 and between Bangkok and Jakarta.