SN 2258 then SN 3713 at Brussels
Copenhagen → Brussels → Bilbao
Timetable, Brussels time
13:45SN 2258 from Copenhagen at the gate
10:55SN 3713 to Bilbao leaves the gate
21 h 10 apart on the timetable, overnight
SN 3713 leaves 21 h 10 after SN 2258 arrives on the timetable: more than half a day, so not a connection we count.