BA 911 then BA 388 at Heathrow
Frankfurt am Main → London → Brussels
Timetable, London time
08:50BA 911 from Frankfurt am Main at the gate
08:35BA 388 to Brussels leaves the gate
23 h 45 apart on the timetable, overnight
BA 388 leaves 23 h 45 after BA 911 arrives on the timetable: more than half a day, so not a connection we count.