Flight Changi Airport departs from Singapore Changi Airport at 06:25 and arrives at Osaka Kansai International Airport at 14:05.
The flighttime is about 6h 40m. The distance travelled ("as the bird flies"): 3803 Km. So the average speed is roughly 570 Km.
There is an 1 hour time difference between Singapore and Osaka
The best day to arrive at Singapore is Monday and it would be best to avoid Saturday, as prices are on average 355.09% higher than on Monday. (Average prices, based on 192053 datapoints.)
We have a lot more statistics for flights TR 820 and between Singapore and Osaka.