Flight Oita Airport departs from Oita Oita Airport at 13:10 and arrives at Tokyo Haneda Airport at 14:35.
The flighttime is about 1h 25m. The distance travelled ("as the bird flies"): 908 Km. So the average speed is roughly 641 Km.
The best day to arrive at Oita is Wednesday and it would be best to avoid Sunday, as prices are on average 71.11% higher than on Wednesday. (Average prices, based on 51622 datapoints.)
We have a lot more statistics for flights SN J90 and between Oita and Tokyo.