FR 8898 then OS 996 at Copenhagen
Porto → Copenhagen → Vienna
Timetable, Copenhagen time
22:25FR 8898 from Porto at the gate
17:35OS 996 to Vienna leaves the gate
19 h 10 apart on the timetable, overnight
OS 996 leaves 19 h 10 after FR 8898 arrives on the timetable: more than half a day, so not a connection we count.