GQ 671 then AC 899 at Athens
Istanbul → Athens → Montréal
Timetable, Athens time
23:10GQ 671 from Istanbul at the gate
13:00AC 899 to Montréal leaves the gate
13 h 50 apart on the timetable, overnight
AC 899 leaves 13 h 50 after GQ 671 arrives on the timetable: more than half a day, so not a connection we count.