GK 40 then NH 8475 at Narita
Manila → Tokyo → Seoul
Timetable, Tokyo time
06:10GK 40 from Manila at the gate
10:16NH 8475 to Seoul leaves the gate
4 h 06 apart on the timetable
The last days
GK 40 and NH 8475 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.