QR 3692 then IB 2250 at Barcelona
Rome → Barcelona → Melilla
Timetable, Barcelona time
17:05QR 3692 from Rome at the gate
13:00IB 2250 to Melilla leaves the gatealso LL 3102
19 h 55 apart on the timetable, overnight
IB 2250 leaves 19 h 55 after QR 3692 arrives on the timetable: more than half a day, so not a connection we count.