U2 2059 then BA 633 at Athens
Manchester → Athens → London Heathrow
Timetable, Athens time
19:30U2 2059 from Manchester at the gate
16:55BA 633 to London Heathrow leaves the gate
21 h 25 apart on the timetable, overnight
BA 633 leaves 21 h 25 after U2 2059 arrives on the timetable: more than half a day, so not a connection we count.