Flight International Airport departs from Osaka International Airport at 07:50 and arrives at Tokyo Narita International Airport at 09:10.
The flighttime is about 1h 20m. The distance travelled ("as the bird flies"): 556 Km. So the average speed is roughly 417 Km.
The best day to arrive at Osaka is Friday and it would be best to avoid Thursday, as prices are on average 178.13% higher than on Friday. (Average prices, based on 413604 datapoints.)
We have a lot more statistics for flights NH 2176 and between Osaka and Tokyo.