AA 644 then WN 4525 at Phoenix
Las Vegas → Phoenix → Kansas City
Timetable, Phoenix time
15:49AA 644 from Las Vegas at the gate
15:30WN 4525 to Kansas City leaves the gate
23 h 41 apart on the timetable, overnight
WN 4525 leaves 23 h 41 after AA 644 arrives on the timetable: more than half a day, so not a connection we count.