AC 7142 then AC 7058 at Toronto Pearson
Amarillo → Toronto → Montréal
Timetable, Toronto time
17:00AC 7142 from Amarillo at the gate
09:00AC 7058 to Montréal leaves the gate
16 h apart on the timetable, overnight
AC 7058 leaves 16 h after AC 7142 arrives on the timetable: more than half a day, so not a connection we count.