4Y 11 then TK 1588 at Frankfurt
Cancún → Frankfurt am Main → Istanbul
Timetable, Frankfurt am Main time
11:404Y 11 from Cancún at the gate
10:55TK 1588 to Istanbul leaves the gate
23 h 15 apart on the timetable, overnight
TK 1588 leaves 23 h 15 after 4Y 11 arrives on the timetable: more than half a day, so not a connection we count.