Flight Changi Airport departs from Singapore Changi Airport at 23:05 and arrives at Tokyo Narita International Airport at 07:05.
The flighttime is about 7h 00m. The distance travelled ("as the bird flies"): 4385 Km. So the average speed is roughly 626 Km.
There is an 1 hour time difference between Singapore and Tokyo
The best day to arrive at Singapore is Wednesday and it would be best to avoid Sunday, as prices are on average 279.02% higher than on Wednesday. (Average prices, based on 923010 datapoints.)
We have a lot more statistics for flights TR 884 and between Singapore and Tokyo.
