UA 730 then UA 355 at Denver
New Orleans → Denver → Nashville
Timetable, Denver time
10:14UA 730 from New Orleans at the gate
09:35UA 355 to Nashville leaves the gate
23 h 21 apart on the timetable, overnight
UA 355 leaves 23 h 21 after UA 730 arrives on the timetable: more than half a day, so not a connection we count.