DY 3659 then OS 998 at Copenhagen
Barcelona → Copenhagen → Vienna
Timetable, Copenhagen time
23:45DY 3659 from Barcelona at the gate
20:05OS 998 to Vienna leaves the gate
20 h 20 apart on the timetable, overnight
OS 998 leaves 20 h 20 after DY 3659 arrives on the timetable: more than half a day, so not a connection we count.