TK 2143 then UX 1684 at Istanbul
Ankara → Istanbul → Madrid
Timetable, Istanbul time
20:25TK 2143 from Ankara at the gate
16:45UX 1684 to Madrid leaves the gate
20 h 20 apart on the timetable, overnight
UX 1684 leaves 20 h 20 after TK 2143 arrives on the timetable: more than half a day, so not a connection we count.