Flight Changi Airport departs from Singapore Changi Airport at 10:15 and arrives at Bangkok Don Mueang International Airport at 11:40.
The flighttime is about 2h 25m. The distance travelled ("as the bird flies"): 477 Km. So the average speed is roughly 197 Km.
There is an 1 hour time difference between Singapore and Bangkok
The best day to arrive at Singapore is Wednesday and it would be best to avoid Friday, as prices are on average 73.25% higher than on Wednesday. (Average prices, based on 7183390 datapoints.)
We have a lot more statistics for flights FD 358 and between Singapore and Bangkok.