BA 359 then SK 506 at Heathrow
Lyon → London → Copenhagen
Timetable, London time
17:25BA 359 from Lyon at the gate
17:00SK 506 to Copenhagen leaves the gate
23 h 35 apart on the timetable, overnight
SK 506 leaves 23 h 35 after BA 359 arrives on the timetable: more than half a day, so not a connection we count.