U2 2059 then A3 4020 at Athens
Manchester → Athens → Thessaloniki
Timetable, Athens time
20:55U2 2059 from Manchester at the gate
18:30A3 4020 to Thessaloniki leaves the gate
21 h 35 apart on the timetable, overnight
A3 4020 leaves 21 h 35 after U2 2059 arrives on the timetable: more than half a day, so not a connection we count.