EC 7681 then QR 3687 at Barcelona
Lisbon → Barcelona → Oran
Timetable, Barcelona time
21:20EC 7681 from Lisbon at the gate
19:50QR 3687 to Oran leaves the gate
22 h 30 apart on the timetable, overnight
QR 3687 leaves 22 h 30 after EC 7681 arrives on the timetable: more than half a day, so not a connection we count.