WK 319 then TK 1910 at Zurich
Tromso → Zurich → Istanbul
Timetable, Zurich time
19:05WK 319 from Tromso at the gate
18:40TK 1910 to Istanbul leaves the gate
23 h 35 apart on the timetable, overnight
TK 1910 leaves 23 h 35 after WK 319 arrives on the timetable: more than half a day, so not a connection we count.