UA 730 then UA 2159 at Denver
New Orleans → Denver → Kansas City
Timetable, Denver time
10:14UA 730 from New Orleans at the gate
09:45UA 2159 to Kansas City leaves the gate
23 h 31 apart on the timetable, overnight
UA 2159 leaves 23 h 31 after UA 730 arrives on the timetable: more than half a day, so not a connection we count.