EI 164 then BA 746 at Heathrow
Dublin → London → Geneva
Timetable, London time
13:25EI 164 from Dublin at the gate
10:30BA 746 to Geneva leaves the gate
21 h 05 apart on the timetable, overnight
BA 746 leaves 21 h 05 after EI 164 arrives on the timetable: more than half a day, so not a connection we count.