UX 1683 then DP 996 at Istanbul
Madrid → Istanbul → Moscow Vnukovo
Timetable, Istanbul time
14:55UX 1683 from Madrid at the gate
14:40DP 996 to Moscow Vnukovo leaves the gate
23 h 45 apart on the timetable, overnight
DP 996 leaves 23 h 45 after UX 1683 arrives on the timetable: more than half a day, so not a connection we count.