Flight Narita International Airport departs from Tokyo Narita International Airport at 13:15 and arrives at Chitose New Chitose Airport at 15:05.
The flighttime is about 1h 50m. The distance travelled ("as the bird flies"): 623 Km. So the average speed is roughly 340 Km.
The best day to arrive at Tokyo is Wednesday and it would be best to avoid Sunday, as prices are on average 593.54% higher than on Wednesday. (Average prices, based on 1231599 datapoints.)
We have a lot more statistics for flights MM 571 and between Tokyo and Chitose.