Flight Changi Airport departs from Singapore Changi Airport at 06:25 and arrives at Hong Kong Hong Kong International Airport at 09:55.
The flighttime is about 3h 30m. The distance travelled ("as the bird flies"): 1322 Km. So the average speed is roughly 378 Km.
The best month to arrive at Singapore is June and the most expensive month to fly is August. (Average prices, based on 1193 datapoints.)
The best day to arrive at Singapore is Tuesday and it would be best to avoid Saturday, as prices are on average 39.79% higher than on Tuesday. (Average prices, based on 3511058 datapoints.)
We have a lot more statistics for flights TR 978 and between Singapore and Hong Kong.