IB 648 then FR 5054 at Madrid
Rome → Madrid → Luxembourg
Timetable, Madrid time
14:35IB 648 from Rome at the gatealso VY 5099, OB 5207, LA 5440, QR 6860, AA 8756
06:50FR 5054 to Luxembourg leaves the gate
16 h 15 apart on the timetable, overnight
FR 5054 leaves 16 h 15 after IB 648 arrives on the timetable: more than half a day, so not a connection we count.