EC 7681 then AC 823 at Barcelona
Lisbon → Barcelona → Montréal
Timetable, Barcelona time
21:20EC 7681 from Lisbon at the gate
13:35AC 823 to Montréal leaves the gate
16 h 15 apart on the timetable, overnight
AC 823 leaves 16 h 15 after EC 7681 arrives on the timetable: more than half a day, so not a connection we count.