LX 1272 then SK 1501 at Copenhagen
Zurich → Copenhagen → London Heathrow
Timetable, Copenhagen time
19:05LX 1272 from Zurich at the gate
17:30SK 1501 to London Heathrow leaves the gate
22 h 25 apart on the timetable, overnight
SK 1501 leaves 22 h 25 after LX 1272 arrives on the timetable: more than half a day, so not a connection we count.