GQ 861 then EC 3656 at Athens
Frankfurt am Main → Athens → Milan
Timetable, Athens time
18:10GQ 861 from Frankfurt am Main at the gate
11:10EC 3656 to Milan leaves the gate
17 h apart on the timetable, overnight
EC 3656 leaves 17 h after GQ 861 arrives on the timetable: more than half a day, so not a connection we count.