DY 3641 then OS 996 at Copenhagen
Nice → Copenhagen → Vienna
Timetable, Copenhagen time
17:50DY 3641 from Nice at the gate
17:35OS 996 to Vienna leaves the gate
23 h 45 apart on the timetable, overnight
OS 996 leaves 23 h 45 after DY 3641 arrives on the timetable: more than half a day, so not a connection we count.