Flight Sultan Ismail Petra Airport departs from Kota Bharu Sultan Ismail Petra Airport at 15:40 and arrives at Kuala Lumpur Sultan Abdul Aziz Shah Airport at 16:45.
The flighttime is about 1h 05m. The distance travelled ("as the bird flies"): 108 Km. So the average speed is roughly 100 Km.
The best day to arrive at Kota Bharu is Saturday and it would be best to avoid Sunday, as prices are on average 236.18% higher than on Saturday. (Average prices, based on 2976072 datapoints.)
We have a lot more statistics for flights SL 1231 and between Kota Bharu and Kuala Lumpur.