IB 1402 then BA 469 at Madrid
Athens → Madrid → London Heathrow
Timetable, Madrid time
02:45IB 1402 from Athens at the gate
20:40BA 469 to London Heathrow leaves the gate
17 h 55 apart on the timetable
BA 469 leaves 17 h 55 after IB 1402 arrives on the timetable: more than half a day, so not a connection we count.