Flight Fukuoka Airport departs from Fukuoka Fukuoka Airport at 07:00 and arrives at Tokyo Narita International Airport at 08:30.
The flighttime is about 1h 30m. The distance travelled ("as the bird flies"): 1119 Km. So the average speed is roughly 746 Km.
The best day to arrive at Fukuoka is Sunday and it would be best to avoid Friday, as prices are on average 152.9% higher than on Sunday. (Average prices, based on 1022432 datapoints.)
We have a lot more statistics for flights JL 300 and between Fukuoka and Tokyo.