IB 658 then FR 5301 at Madrid
Rome → Madrid → Luxembourg
Timetable, Madrid time
10:05IB 658 from Rome at the gatealso LA 1560, VY 5107, QR 6893, AA 8526
07:15FR 5301 to Luxembourg leaves the gate
21 h 10 apart on the timetable, overnight
FR 5301 leaves 21 h 10 after IB 658 arrives on the timetable: more than half a day, so not a connection we count.