AC 574 then WN 1801 at Denver
Vancouver → Denver → Atlanta
Timetable, Denver time
12:43AC 574 from Vancouver at the gate
10:55WN 1801 to Atlanta leaves the gate
22 h 12 apart on the timetable, overnight
WN 1801 leaves 22 h 12 after AC 574 arrives on the timetable: more than half a day, so not a connection we count.