BA 585 then SK 812 at Heathrow
Milan Linate → London → Oslo
Timetable, London time
21:30BA 585 from Milan Linate at the gate
19:50SK 812 to Oslo leaves the gate
22 h 20 apart on the timetable, overnight
SK 812 leaves 22 h 20 after BA 585 arrives on the timetable: more than half a day, so not a connection we count.