Flight Haneda Airport departs from Tokyo Haneda Airport at 20:55 and arrives at Osaka Kansai International Airport at 22:10.
The flighttime is about 1h 15m. The distance travelled ("as the bird flies"): 511 Km. So the average speed is roughly 409 Km.
The best month to arrive at Tokyo is August and the most expensive month to fly is June. (Average prices, based on 1206 datapoints.)
The best day to arrive at Tokyo is Thursday and it would be best to avoid Sunday, as prices are on average 82.08% higher than on Thursday. (Average prices, based on 5320339 datapoints.)
We have a lot more statistics for flights GA 229 and between Tokyo and Osaka.