LG 3751 then FR 9441 at Lisbon
Luxembourg → Lisbon → Madrid
Timetable, Lisbon time
17:10LG 3751 from Luxembourg at the gate
13:30FR 9441 to Madrid leaves the gate
20 h 20 apart on the timetable, overnight
FR 9441 leaves 20 h 20 after LG 3751 arrives on the timetable: more than half a day, so not a connection we count.