Flight Haneda Airport departs from Tokyo Haneda Airport at 17:30 and arrives at Osaka Kansai International Airport at 18:40.
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 Saturday and it would be best to avoid Tuesday, as prices are on average 72.7% higher than on Saturday. (Average prices, based on 6944633 datapoints.)
We have a lot more statistics for flights JL 131 and between Tokyo and Osaka.
