Flight Incheon International Airport departs from Seoul Incheon International Airport at 14:05 and arrives at Osaka Kansai International Airport at 15:50.
The flighttime is about 1h 45m. The distance travelled ("as the bird flies"): 1002 Km. So the average speed is roughly 573 Km.
The best day to arrive at Seoul is Monday and it would be best to avoid Friday, as prices are on average 38.56% higher than on Monday. (Average prices, based on 2044970 datapoints.)
We have a lot more statistics for flights GA 114 and between Seoul and Osaka.
THB