QR 137 then FR 3976 at Barcelona
Doha → Barcelona → Dublin
Timetable, Barcelona time
07:05QR 137 from Doha at the gate
06:40FR 3976 to Dublin leaves the gate
23 h 35 apart on the timetable, overnight
FR 3976 leaves 23 h 35 after QR 137 arrives on the timetable: more than half a day, so not a connection we count.