Flight Oita Airport departs from Oita Oita Airport at 17:10 and arrives at Tokyo Haneda Airport at 18:50.
The flighttime is about 1h 40m. The distance travelled ("as the bird flies"): 908 Km. So the average speed is roughly 545 Km.
The best day to arrive at Oita is Tuesday and it would be best to avoid Saturday, as prices are on average 84.01% higher than on Tuesday. (Average prices, based on 54987 datapoints.)
We have a lot more statistics for flights JL 672 and between Oita and Tokyo.