Flight International Airport departs from Osaka International Airport at 16:50 and arrives at Tokyo Haneda Airport at 18:10.
The flighttime is about 1h 20m. The distance travelled ("as the bird flies"): 485 Km. So the average speed is roughly 364 Km.
The best day to arrive at Osaka is Sunday and it would be best to avoid Friday, as prices are on average 176.65% higher than on Sunday. (Average prices, based on 1857431 datapoints.)
We have a lot more statistics for flights NH 34 and between Osaka and Tokyo.