Flight New Chitose Airport departs from Chitose New Chitose Airport at 08:45 and arrives at Tokyo Haneda Airport at 10:25.
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 Wednesday and it would be best to avoid Tuesday, as prices are on average 67.21% higher than on Wednesday. (Average prices, based on 1363994 datapoints.)
We have a lot more statistics for flights JL 502 and between Chitose and Tokyo.