Flight Haneda Airport departs from Tokyo Haneda Airport at 15:55 and arrives at Seoul Gimpo International Airport at 18:35.
The flighttime is about 2h 40m. The distance travelled ("as the bird flies"): 1450 Km. So the average speed is roughly 544 Km.
The best day to arrive at Tokyo is Wednesday and it would be best to avoid Friday, as prices are on average 222.72% higher than on Wednesday. (Average prices, based on 505697 datapoints.)
We have a lot more statistics for flights OZ 9103 and between Tokyo and Seoul.
