IB 653 then TU 753 at Fiumicino
Madrid → Rome → Tunis
Timetable, Rome time
18:10IB 653 from Madrid at the gate
10:20TU 753 to Tunis leaves the gate
16 h 10 apart on the timetable, overnight
TU 753 leaves 16 h 10 after IB 653 arrives on the timetable: more than half a day, so not a connection we count.