BT 711 then TK 2228 at Istanbul
Riga → Istanbul → Gaziantep
Timetable, Istanbul time
15:55BT 711 from Riga at the gate
15:40TK 2228 to Gaziantep leaves the gate
23 h 45 apart on the timetable, overnight
TK 2228 leaves 23 h 45 after BT 711 arrives on the timetable: more than half a day, so not a connection we count.