TK 6887 then TK 2830 at Istanbul
Tbilisi → Istanbul → Trabzon
Timetable, Istanbul time
18:30TK 6887 from Tbilisi at the gate
13:25TK 2830 to Trabzon leaves the gate
18 h 55 apart on the timetable, overnight
TK 2830 leaves 18 h 55 after TK 6887 arrives on the timetable: more than half a day, so not a connection we count.