FR 2540 then IB 333 at Madrid
Bucharest → Madrid → Miami
Timetable, Madrid time
13:55FR 2540 from Bucharest at the gate
12:25IB 333 to Miami leaves the gatealso BA 4261, AY 5643, EI 5861, QR 6863, AA 8644
22 h 30 apart on the timetable, overnight
IB 333 leaves 22 h 30 after FR 2540 arrives on the timetable: more than half a day, so not a connection we count.