AA 3964 then WN 4448 at Phoenix
Northwest Arkansas → Phoenix → Kansas City
Timetable, Phoenix time
16:04AA 3964 from Northwest Arkansas at the gate
13:55WN 4448 to Kansas City leaves the gate
21 h 51 apart on the timetable, overnight
WN 4448 leaves 21 h 51 after AA 3964 arrives on the timetable: more than half a day, so not a connection we count.