QR 3753 then TK 1854 at Barcelona
Paris Orly → Barcelona → Istanbul
Timetable, Barcelona time
23:35QR 3753 from Paris Orly at the gate
12:20TK 1854 to Istanbul leaves the gate
12 h 45 apart on the timetable, overnight
TK 1854 leaves 12 h 45 after QR 3753 arrives on the timetable: more than half a day, so not a connection we count.