U2 2059 then A3 602 at Athens
Manchester → Athens → London Heathrow
Timetable, Athens time
20:50U2 2059 from Manchester at the gate
13:25A3 602 to London Heathrow leaves the gate
16 h 35 apart on the timetable, overnight
A3 602 leaves 16 h 35 after U2 2059 arrives on the timetable: more than half a day, so not a connection we count.