LX 326 then BA 362 at Heathrow
Zurich → London → Lyon
Timetable, London time
17:50LX 326 from Zurich at the gate
17:35BA 362 to Lyon leaves the gate
23 h 45 apart on the timetable, overnight
BA 362 leaves 23 h 45 after LX 326 arrives on the timetable: more than half a day, so not a connection we count.