TK 1710 then TK 1933 at Istanbul
Stuttgart → Istanbul → London Heathrow
Timetable, Istanbul time
12:00TK 1710 from Stuttgart at the gate
11:40TK 1933 to London Heathrow leaves the gate
23 h 40 apart on the timetable, overnight
TK 1933 leaves 23 h 40 after TK 1710 arrives on the timetable: more than half a day, so not a connection we count.