Flight New Chitose Airport departs from Chitose New Chitose Airport at 21:35 and arrives at Tokyo Haneda Airport at 23:25.
The flighttime is about 1h 50m. The distance travelled ("as the bird flies"): 658 Km. So the average speed is roughly 359 Km.
The best day to arrive at Chitose is Saturday and it would be best to avoid Tuesday, as prices are on average 134.88% higher than on Saturday. (Average prices, based on 1365155 datapoints.)
We have a lot more statistics for flights NH 988 and between Chitose and Tokyo.