DY 3731 then LX 1271 at Copenhagen
Rome → Copenhagen → Zurich
Timetable, Copenhagen time
16:00DY 3731 from Rome at the gate
15:00LX 1271 to Zurich leaves the gate
23 h apart on the timetable, overnight
LX 1271 leaves 23 h after DY 3731 arrives on the timetable: more than half a day, so not a connection we count.