AC 2007 then AC 1889 at Toronto Pearson
Saint John → Toronto → Mexico City
Timetable, Toronto time
06:48AC 2007 from Saint John at the gate
20:55AC 1889 to Mexico City leaves the gate
14 h 07 apart on the timetable
AC 1889 leaves 14 h 07 after AC 2007 arrives on the timetable: more than half a day, so not a connection we count.