AC 8509 then BR 665 at Atlanta
Toronto → Atlanta → Anchorage
Timetable, Atlanta time
21:21AC 8509 from Toronto at the gate
18:45BR 665 to Anchorage leaves the gate
21 h 24 apart on the timetable, overnight
BR 665 leaves 21 h 24 after AC 8509 arrives on the timetable: more than half a day, so not a connection we count.