UA 347 then WN 878 at Denver
Reno → Denver → Cincinnati
Timetable, Denver time
12:20UA 347 from Reno at the gate
11:45WN 878 to Cincinnati leaves the gate
23 h 25 apart on the timetable, overnight
WN 878 leaves 23 h 25 after UA 347 arrives on the timetable: more than half a day, so not a connection we count.