FR 2724 then A3 751 at Copenhagen
Krakow → Copenhagen → Athens
Timetable, Copenhagen time
17:30FR 2724 from Krakow at the gate
11:40A3 751 to Athens leaves the gate
18 h 10 apart on the timetable, overnight
A3 751 leaves 18 h 10 after FR 2724 arrives on the timetable: more than half a day, so not a connection we count.