LG 3591 then QS 1059 at Barcelona
Luxembourg → Barcelona → Prague
Timetable, Barcelona time
15:30LG 3591 from Luxembourg at the gate
14:55QS 1059 to Prague leaves the gatealso EW 3043
23 h 25 apart on the timetable, overnight
QS 1059 leaves 23 h 25 after LG 3591 arrives on the timetable: more than half a day, so not a connection we count.