Flight Narita International Airport departs from Tokyo Narita International Airport at 11:10 and arrives at Chitose New Chitose Airport at 12:55.
The flighttime is about 1h 45m. The distance travelled ("as the bird flies"): 623 Km. So the average speed is roughly 356 Km.
The best day to arrive at Tokyo is Tuesday and it would be best to avoid Wednesday, as prices are on average 288.14% higher than on Tuesday. (Average prices, based on 1197815 datapoints.)
We have a lot more statistics for flights NH 1127 and between Tokyo and Chitose.