Flight Changi Airport departs from Singapore Changi Airport at 01:25 and arrives at Osaka Kansai International Airport at 08:50.
The flighttime is about 6h 25m. The distance travelled ("as the bird flies"): 3803 Km. So the average speed is roughly 593 Km.
There is an 1 hour time difference between Singapore and Osaka
The best day to arrive at Singapore is Thursday and it would be best to avoid Wednesday, as prices are on average 341.9% higher than on Thursday. (Average prices, based on 269330 datapoints.)
We have a lot more statistics for flights NH 6264 and between Singapore and Osaka.