BA 902 then QR 68 at Frankfurt
London Heathrow → Frankfurt am Main → Doha
Timetable, Frankfurt am Main time
15:30BA 902 from London Heathrow at the gate
15:00QR 68 to Doha leaves the gate
23 h 30 apart on the timetable, overnight
QR 68 leaves 23 h 30 after BA 902 arrives on the timetable: more than half a day, so not a connection we count.