UA 5455 then WN 581 at Denver
Peoria → Denver → Nashville
Timetable, Denver time
10:35UA 5455 from Peoria at the gate
07:55WN 581 to Nashville leaves the gate
21 h 20 apart on the timetable, overnight
WN 581 leaves 21 h 20 after UA 5455 arrives on the timetable: more than half a day, so not a connection we count.