FR 8991 then FR 5054 at Madrid
Verona → Madrid → Luxembourg
Timetable, Madrid time
15:15FR 8991 from Verona at the gate
12:35FR 5054 to Luxembourg leaves the gate
21 h 20 apart on the timetable, overnight
FR 5054 leaves 21 h 20 after FR 8991 arrives on the timetable: more than half a day, so not a connection we count.