TK 6951 then XQ 6092 at Istanbul
Kars → Istanbul → Stuttgart
Timetable, Istanbul time
17:45TK 6951 from Kars at the gate
11:00XQ 6092 to Stuttgart leaves the gate
17 h 15 apart on the timetable, overnight
XQ 6092 leaves 17 h 15 after TK 6951 arrives on the timetable: more than half a day, so not a connection we count.