Flight Kansai International Airport departs from Osaka Kansai International Airport at 00:15 and arrives at Seoul Incheon International Airport at 02:15.
The flighttime is about 2h 00m. The distance travelled ("as the bird flies"): 1002 Km. So the average speed is roughly 501 Km.
The best day to arrive at Osaka is Wednesday and it would be best to avoid Sunday, as prices are on average 281.5% higher than on Wednesday. (Average prices, based on 6455702 datapoints.)
We have a lot more statistics for flights OZ 117 and between Osaka and Seoul.
