FR 6879 then A3 751 at Copenhagen
Manchester → Copenhagen → Athens
Timetable, Copenhagen time
12:00FR 6879 from Manchester at the gate
11:40A3 751 to Athens leaves the gate
23 h 40 apart on the timetable, overnight
A3 751 leaves 23 h 40 after FR 6879 arrives on the timetable: more than half a day, so not a connection we count.