QR 105 then BA 490 at Heathrow
Doha → London → Gibraltar
Timetable, London time
07:20QR 105 from Doha at the gate
07:00BA 490 to Gibraltar leaves the gate
23 h 40 apart on the timetable, overnight
BA 490 leaves 23 h 40 after QR 105 arrives on the timetable: more than half a day, so not a connection we count.