Flight Changi Airport departs from Singapore Changi Airport at 08:20 and arrives at Yogyakarta Adisutjipto International Airport at 09:30.
The flighttime is about 2h 10m. The distance travelled ("as the bird flies"): 775 Km. So the average speed is roughly 358 Km.
There is an 1 hour time difference between Singapore and Yogyakarta
The best day to arrive at Singapore is Sunday and it would be best to avoid Friday, as prices are on average 218.28% higher than on Sunday. (Average prices, based on 405598 datapoints.)
This graph shows the distribution of prices found in the past years for this flight. (Average prices, based on 148 datapoints.)
We have a lot more statistics for flights MI 152 and between Singapore and Yogyakarta.