VY 4237 then QR 3577 at Barcelona
Düsseldorf → Barcelona → Paris Orly
Timetable, Barcelona time
11:45VY 4237 from Düsseldorf at the gate
09:30QR 3577 to Paris Orly leaves the gate
21 h 45 apart on the timetable, overnight
QR 3577 leaves 21 h 45 after VY 4237 arrives on the timetable: more than half a day, so not a connection we count.