TK 1591 then X3 4578 at Frankfurt
Istanbul → Frankfurt am Main → Larnaca
Timetable, Frankfurt am Main time
13:55TK 1591 from Istanbul at the gate
13:25X3 4578 to Larnaca leaves the gate
23 h 30 apart on the timetable, overnight
X3 4578 leaves 23 h 30 after TK 1591 arrives on the timetable: more than half a day, so not a connection we count.