Flight Narita International Airport departs from Tokyo Narita International Airport at 11:55 and arrives at Singapore Changi Airport at 21:30.The flight has a short stop at Taipei.
The flighttime is about 10h 35m. The distance travelled ("as the bird flies"): 4385 Km. So the average speed is roughly 414 Km.
There is an 1 hour time difference between Tokyo and Singapore
The best day to arrive at Tokyo is Tuesday and it would be best to avoid Sunday, as prices are on average 84.91% higher than on Tuesday. (Average prices, based on 422957 datapoints.)
We have a lot more statistics for flights TR 899 and between Tokyo and Singapore.
