Flight Haneda Airport departs from Tokyo Haneda Airport at 07:00 and arrives at Osaka Kansai International Airport at 08:10.
The flighttime is about 1h 10m. The distance travelled ("as the bird flies"): 511 Km. So the average speed is roughly 438 Km.
The best day to arrive at Tokyo is Sunday and it would be best to avoid Tuesday, as prices are on average 69.31% higher than on Sunday. (Average prices, based on 6944089 datapoints.)
We have a lot more statistics for flights NH 13 and between Tokyo and Osaka.