SQ 391 then BS 315 at Changi
Istanbul → Singapore → Kuala Lumpur
Timetable, Singapore time
04:45SQ 391 from Istanbul at the gate
16:00BS 315 to Kuala Lumpur leaves the gate
11 h 15 apart on the timetable
The last days
SQ 391 and BS 315 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.