FR 6596 then BT 684 at Barcelona
Manchester → Barcelona → Riga
Timetable, Barcelona time
23:40FR 6596 from Manchester at the gate
14:05BT 684 to Riga leaves the gatealso IB 7848
14 h 25 apart on the timetable, overnight
BT 684 leaves 14 h 25 after FR 6596 arrives on the timetable: more than half a day, so not a connection we count.