KE 164 then 7C 1125 at Incheon
Dayong → Seoul → Tokyo Narita
Timetable, Seoul time
03:40KE 164 from Dayong at the gate
08:257C 1125 to Tokyo Narita leaves the gate
4 h 45 apart on the timetable
The last days
KE 164 and 7C 1125 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.