LX 1822 then IB 834 at Athens
Geneva → Athens → Madrid
Timetable, Athens time
19:15LX 1822 from Geneva at the gate
15:50IB 834 to Madrid leaves the gate
20 h 35 apart on the timetable, overnight
IB 834 leaves 20 h 35 after LX 1822 arrives on the timetable: more than half a day, so not a connection we count.