F9 3692 then DL 8841 at Dulles
Atlanta (ATL) → Washington → Toronto Pearson
Timetable, Washington time
23:43F9 3692 from Atlanta (ATL) at the gate
16:00DL 8841 to Toronto Pearson leaves the gate
16 h 17 apart on the timetable, overnight
DL 8841 leaves 16 h 17 after F9 3692 arrives on the timetable: more than half a day, so not a connection we count.