Flight New Chitose Airport departs from Chitose New Chitose Airport at 13:00 and arrives at Tokyo Narita International Airport at 14:40.
The flighttime is about 1h 40m. The distance travelled ("as the bird flies"): 623 Km. So the average speed is roughly 374 Km.
The best day to arrive at Chitose is Sunday and it would be best to avoid Tuesday, as prices are on average 96.91% higher than on Sunday. (Average prices, based on 572915 datapoints.)
We have a lot more statistics for flights JL 510 and between Chitose and Tokyo.