TK 6951 then TK 2458 at Istanbul
Kars → Istanbul → Tarsus
Timetable, Istanbul time
17:45TK 6951 from Kars at the gate
12:50TK 2458 to Tarsus leaves the gate
19 h 05 apart on the timetable, overnight
TK 2458 leaves 19 h 05 after TK 6951 arrives on the timetable: more than half a day, so not a connection we count.