FR 9673 then IB 337 at Madrid
Rome → Madrid → Miami
Timetable, Madrid time
23:30FR 9673 from Rome at the gate
16:40IB 337 to Miami leaves the gatealso AY 5641, EI 5863, QR 6853, BA 7259, PC 7717, AA 8645
17 h 10 apart on the timetable, overnight
IB 337 leaves 17 h 10 after FR 9673 arrives on the timetable: more than half a day, so not a connection we count.