FR 9601 then IB 337 at Madrid
Rome → Madrid → Miami
Timetable, Madrid time
19:10FR 9601 from Rome at the gate
16:30IB 337 to Miami leaves the gatealso AY 5641, EI 5863, QR 6853, BA 7259, PC 7717, AA 8645
21 h 20 apart on the timetable, overnight
IB 337 leaves 21 h 20 after FR 9601 arrives on the timetable: more than half a day, so not a connection we count.