Flight Narita International Airport departs from Tokyo Narita International Airport at 14:10 and arrives at Osaka Kansai International Airport at 15:55.
The flighttime is about 1h 45m. The distance travelled ("as the bird flies"): 582 Km. So the average speed is roughly 333 Km.
The best day to arrive at Tokyo is Sunday and it would be best to avoid Tuesday, as prices are on average 120.58% higher than on Sunday. (Average prices, based on 3538520 datapoints.)
We have a lot more statistics for flights JQ 223 and between Tokyo and Osaka.