F3 573 then TK 1779 at Istanbul
Riyadh → Istanbul → Lisbon
Timetable, Istanbul time
21:30F3 573 from Riyadh at the gate
21:20TK 1779 to Lisbon leaves the gate
23 h 50 apart on the timetable, overnight
TK 1779 leaves 23 h 50 after F3 573 arrives on the timetable: more than half a day, so not a connection we count.