DL 957 then WN 878 at Denver
Atlanta → Denver → Cincinnati
Timetable, Denver time
13:15DL 957 from Atlanta at the gate
11:45WN 878 to Cincinnati leaves the gate
22 h 30 apart on the timetable, overnight
WN 878 leaves 22 h 30 after DL 957 arrives on the timetable: more than half a day, so not a connection we count.