BA 1383 then BA 776 at Heathrow
Manchester → London → Stockholm
Timetable, London time
07:20BA 1383 from Manchester at the gate
07:00BA 776 to Stockholm leaves the gate
23 h 40 apart on the timetable, overnight
BA 776 leaves 23 h 40 after BA 1383 arrives on the timetable: more than half a day, so not a connection we count.