VY 4082 then QR 3573 at Barcelona
Hamburg → Barcelona → Cagliari
Timetable, Barcelona time
13:20VY 4082 from Hamburg at the gate
11:05QR 3573 to Cagliari leaves the gate
21 h 45 apart on the timetable, overnight
QR 3573 leaves 21 h 45 after VY 4082 arrives on the timetable: more than half a day, so not a connection we count.