Flight Kansai International Airport departs from Osaka Kansai International Airport at 14:55 and arrives at Tokyo Narita International Airport at 16:20.
The flighttime is about 1h 25m. The distance travelled ("as the bird flies"): 582 Km. So the average speed is roughly 411 Km.
The best day to arrive at Osaka is Wednesday and it would be best to avoid Friday, as prices are on average 1045.83% higher than on Wednesday. (Average prices, based on 8599249 datapoints.)
We have a lot more statistics for flights JQ 224 and between Osaka and Tokyo.