FR 9601 then IB 311 at Madrid
Rome → Madrid → Mexico City
Timetable, Madrid time
19:50FR 9601 from Rome at the gate
16:50IB 311 to Mexico City leaves the gatealso CX 1780, BA 4226, AY 5556, EI 5877, QR 6964, PC 7991
21 h apart on the timetable, overnight
IB 311 leaves 21 h after FR 9601 arrives on the timetable: more than half a day, so not a connection we count.