Flight International Airport departs from Osaka International Airport at 10:00 and arrives at Tokyo Haneda Airport at 11:10.
The flighttime is about 1h 10m. The distance travelled ("as the bird flies"): 485 Km. So the average speed is roughly 416 Km.
The best day to arrive at Osaka is Wednesday and it would be best to avoid Friday, as prices are on average 110.55% higher than on Wednesday. (Average prices, based on 2519744 datapoints.)
We have a lot more statistics for flights NH 20 and between Osaka and Tokyo.
