BA 933 then SK 532 at Heathrow
Düsseldorf → London → Stockholm
Timetable, London time
15:00BA 933 from Düsseldorf at the gate
13:55SK 532 to Stockholm leaves the gate
22 h 55 apart on the timetable, overnight
SK 532 leaves 22 h 55 after BA 933 arrives on the timetable: more than half a day, so not a connection we count.