HH 575 then TK 1859 at Istanbul
Tashkent → Istanbul → Madrid
Timetable, Istanbul time
22:30HH 575 from Tashkent at the gate
13:55TK 1859 to Madrid leaves the gate
15 h 25 apart on the timetable, overnight
TK 1859 leaves 15 h 25 after HH 575 arrives on the timetable: more than half a day, so not a connection we count.