Flight Don Mueang International Airport departs from Bangkok Don Mueang International Airport at 07:25 and arrives at Da Nang Da Nang International Airport at 09:05.
The flighttime is about 1h 40m. The distance travelled ("as the bird flies"): 846 Km. So the average speed is roughly 508 Km.
The best day to arrive at Bangkok is Friday and it would be best to avoid Sunday, as prices are on average 104.25% higher than on Friday. (Average prices, based on 38044 datapoints.)
We have a lot more statistics for flights FD 634 and between Bangkok and Da Nang.