SL 381 then NH 9416 at Taipei
Naha → Taipei → Tokyo Narita
Timetable, Taipei time
12:45SL 381 from Naha at the gate
15:27NH 9416 to Tokyo Narita leaves the gate
2 h 42 apart on the timetable
The last days
SL 381 and NH 9416 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.