IB 651 then TU 753 at Fiumicino
Madrid → Rome → Tunis
Timetable, Rome time
15:30IB 651 from Madrid at the gate
10:20TU 753 to Tunis leaves the gate
18 h 50 apart on the timetable, overnight
TU 753 leaves 18 h 50 after IB 651 arrives on the timetable: more than half a day, so not a connection we count.