Flight Soekarno–Hatta International Airport departs from Jakarta Soekarno–Hatta International Airport at 04:25 and arrives at Samarinda APT Pranoto Airport at 07:55.
The flighttime is about 2h 30m. The distance travelled ("as the bird flies"): 1201 Km. So the average speed is roughly 480 Km.
There is an 1 hour time difference between Jakarta and Samarinda
The best day to arrive at Jakarta is Friday and it would be best to avoid Wednesday, as prices are on average 17.6% higher than on Friday. (Average prices, based on 8489501 datapoints.)
We have a lot more statistics for flights QG 9420 and between Jakarta and Samarinda.