Flight Changi Airport departs from Singapore Changi Airport at 06:25 and arrives at Osaka Kansai International Airport at 13:55.
The flighttime is about 6h 30m. The distance travelled ("as the bird flies"): 3803 Km. So the average speed is roughly 585 Km.
There is an 1 hour time difference between Singapore and Osaka
The best day to arrive at Singapore is Wednesday and it would be best to avoid Sunday, as prices are on average 339.17% higher than on Wednesday. (Average prices, based on 192112 datapoints.)
We have a lot more statistics for flights TR 818 and between Singapore and Osaka.