AC 1445 then AC 8786 at Toronto Pearson
Kingston → Toronto → Washington National
Timetable, Toronto time
20:25AC 1445 from Kingston at the gate
18:20AC 8786 to Washington National leaves the gate
21 h 55 apart on the timetable, overnight
AC 8786 leaves 21 h 55 after AC 1445 arrives on the timetable: more than half a day, so not a connection we count.