UA 784 then WN 500 at Denver
Mexico City → Denver → Kansas City
Timetable, Denver time
11:54UA 784 from Mexico City at the gate
07:30WN 500 to Kansas City leaves the gate
19 h 36 apart on the timetable, overnight
WN 500 leaves 19 h 36 after UA 784 arrives on the timetable: more than half a day, so not a connection we count.