Flight Haneda Airport departs from Tokyo Haneda Airport at 18:05 and arrives at Osaka International Airport at 19:25.
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 Tokyo is Monday and it would be best to avoid Tuesday, as prices are on average 42.26% higher than on Monday. (Average prices, based on 2271353 datapoints.)
We have a lot more statistics for flights JL 133 and between Tokyo and Osaka.