PB 831 then LX 87 at Montréal
Quebec → Montréal → Zurich
Timetable, Montréal time
17:25PB 831 from Quebec at the gate
16:40LX 87 to Zurich leaves the gate
23 h 15 apart on the timetable, overnight
LX 87 leaves 23 h 15 after PB 831 arrives on the timetable: more than half a day, so not a connection we count.