SG 83 then SQ 7446 at Bangkok
Kolkata → Bangkok → Seoul
Timetable, Bangkok time
02:55SG 83 from Kolkata at the gate
11:40SQ 7446 to Seoul leaves the gate
8 h 45 apart on the timetable
The last days
SG 83 and SQ 7446 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.