Flight New Chitose Airport departs from Chitose New Chitose Airport at 11:55 and arrives at Tokyo Haneda Airport at 13:35.
The flighttime is about 1h 40m. The distance travelled ("as the bird flies"): 658 Km. So the average speed is roughly 395 Km.
The best day to arrive at Chitose is Thursday and it would be best to avoid Sunday, as prices are on average 82.54% higher than on Thursday. (Average prices, based on 1017146 datapoints.)
We have a lot more statistics for flights JL 508 and between Chitose and Tokyo.