Flight New Chitose Airport departs from Chitose New Chitose Airport at 17:30 and arrives at Tokyo Haneda Airport at 19:15.
The flighttime is about 1h 45m. The distance travelled ("as the bird flies"): 658 Km. So the average speed is roughly 376 Km.
The best day to arrive at Chitose is Thursday and it would be best to avoid Monday, as prices are on average 68.15% higher than on Thursday. (Average prices, based on 966465 datapoints.)
We have a lot more statistics for flights JL 520 and between Chitose and Tokyo.