Flight Incheon International Airport departs from Seoul Incheon International Airport at 07:10 and arrives at Osaka Kansai International Airport at 09:00.
The flighttime is about 1h 50m. The distance travelled ("as the bird flies"): 1002 Km. So the average speed is roughly 547 Km.
The best day to arrive at Seoul is Friday and it would be best to avoid Thursday, as prices are on average 164.16% higher than on Friday. (Average prices, based on 2052081 datapoints.)
We have a lot more statistics for flights 7C 1304 and between Seoul and Osaka.