LG 3591 then LA 5745 at Barcelona
Luxembourg → Barcelona → Málaga
Timetable, Barcelona time
15:30LG 3591 from Luxembourg at the gate
11:40LA 5745 to Málaga leaves the gate
20 h 10 apart on the timetable, overnight
LA 5745 leaves 20 h 10 after LG 3591 arrives on the timetable: more than half a day, so not a connection we count.