BR 75 then SQ 7442 at Bangkok
Taipei → Bangkok → Seoul
Timetable, Bangkok time
10:45BR 75 from Taipei at the gate
14:57SQ 7442 to Seoul leaves the gate
4 h 12 apart on the timetable
The last days
BR 75 and SQ 7442 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.