Flight Narita International Airport departs from Tokyo Narita International Airport at 07:45 and arrives at Osaka Kansai International Airport at 09:25.
The flighttime is about 1h 40m. The distance travelled ("as the bird flies"): 582 Km. So the average speed is roughly 349 Km.
The best month to arrive at Tokyo is March and the most expensive month to fly is January. (Average prices, based on 1043 datapoints.)
The best day to arrive at Tokyo is Monday and it would be best to avoid Sunday, as prices are on average 169.91% higher than on Monday. (Average prices, based on 3509120 datapoints.)
We have a lot more statistics for flights MM 312 and between Tokyo and Osaka.