Flight International Airport departs from Osaka International Airport at 10:30 and arrives at Tokyo Haneda Airport at 11:40.
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 Monday and it would be best to avoid Sunday, as prices are on average 41.85% higher than on Monday. (Average prices, based on 2519307 datapoints.)
We have a lot more statistics for flights JL 112 and between Osaka and Tokyo.