JL 6720 then NH 8441 at Narita
Shanghai → Tokyo → Taipei
Timetable, Tokyo time
08:07JL 6720 from Shanghai at the gate
10:25NH 8441 to Taipei leaves the gate
2 h 18 apart on the timetable
The last days
JL 6720 and NH 8441 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.