Flight Fukuoka Airport departs from Fukuoka Fukuoka Airport at 07:05 and arrives at Tokyo Haneda Airport at 08:40.
The flighttime is about 1h 35m. The distance travelled ("as the bird flies"): 1048 Km. So the average speed is roughly 662 Km.
The best day to arrive at Fukuoka is Wednesday and it would be best to avoid Saturday, as prices are on average 213.05% higher than on Wednesday. (Average prices, based on 475663 datapoints.)
We have a lot more statistics for flights JL 300 and between Fukuoka and Tokyo.