Flight Fukuoka Airport departs from Fukuoka Fukuoka Airport at 11:05 and arrives at Tokyo Haneda Airport at 12:45.
The flighttime is about 1h 40m. The distance travelled ("as the bird flies"): 1048 Km. So the average speed is roughly 629 Km.
The best day to arrive at Fukuoka is Wednesday and it would be best to avoid Tuesday, as prices are on average 85.9% higher than on Wednesday. (Average prices, based on 453211 datapoints.)
We have a lot more statistics for flights NH 248 and between Fukuoka and Tokyo.