BA 751 then QR 106 at Heathrow
Geneva → London → Doha
Timetable, London time
08:00BA 751 from Geneva at the gate
20:10QR 106 to Doha leaves the gate
12 h 10 apart on the timetable
QR 106 leaves 12 h 10 after BA 751 arrives on the timetable: more than half a day, so not a connection we count.