Flight Haneda Airport departs from Tokyo Haneda Airport at 20:30 and arrives at Kobe Kobe Airport at 21:45.
The flighttime is about 10h 15m. The distance travelled ("as the bird flies"): 511 Km. So the average speed is roughly 50 Km.
There is an 9 hour time difference between Tokyo and Kobe
The best day to arrive at Tokyo is Thursday and it would be best to avoid Sunday, as prices are on average 88% higher than on Thursday. (Average prices, based on 14071429 datapoints.)
We have a lot more statistics for flights NH 415 and between Tokyo and Kobe.