7C 1129 then GK 7303 at Narita
Seoul → Tokyo → Naha
Timetable, Tokyo time
14:107C 1129 from Seoul at the gate
16:10GK 7303 to Naha leaves the gate
2 h apart on the timetable
The last days
7C 1129 and GK 7303 weren’t both flown 15 min to 12 h apart in the last 21 days.
Statistics from past flights, not live flight information. Always check times and your connection with your airline, and don’t base travel or booking decisions on these numbers.