Flight Soekarno–Hatta International Airport departs from Jakarta Soekarno–Hatta International Airport at 05:30 and arrives at Penang Penang International Airport at 09:00.
The flighttime is about 2h 30m. The distance travelled ("as the bird flies"): 765 Km. So the average speed is roughly 306 Km.
There is an 1 hour time difference between Jakarta and Penang
The best day to arrive at Jakarta is Tuesday and it would be best to avoid Sunday, as prices are on average 81.67% higher than on Tuesday. (Average prices, based on 6641964 datapoints.)
We have a lot more statistics for flights 8B 633 and between Jakarta and Penang.
