A3 255 then FR 1242 at Athens
Mytilene → Athens → Budapest
Timetable, Athens time
17:00A3 255 from Mytilene at the gate
14:35FR 1242 to Budapest leaves the gate
21 h 35 apart on the timetable, overnight
FR 1242 leaves 21 h 35 after A3 255 arrives on the timetable: more than half a day, so not a connection we count.