A3 375 then GQ 784 at Athens
Mykonos → Athens → Tbilisi
Timetable, Athens time
21:45A3 375 from Mykonos at the gate
21:00GQ 784 to Tbilisi leaves the gate
23 h 15 apart on the timetable, overnight
GQ 784 leaves 23 h 15 after A3 375 arrives on the timetable: more than half a day, so not a connection we count.