Flight Changi Airport departs from Singapore Changi Airport at 14:20 and arrives at Osaka Kansai International Airport at 21:20.
The flighttime is about 6h 00m. The distance travelled ("as the bird flies"): 3803 Km. So the average speed is roughly 634 Km.
There is an 1 hour time difference between Singapore and Osaka
The best day to arrive at Singapore is Tuesday and it would be best to avoid Saturday, as prices are on average 155.06% higher than on Tuesday. (Average prices, based on 229539 datapoints.)
We have a lot more statistics for flights SQ 622 and between Singapore and Osaka.
