F9 3871 then WN 4448 at Phoenix
Salt Lake City → Phoenix → Kansas City
Timetable, Phoenix time
14:46F9 3871 from Salt Lake City at the gate
13:55WN 4448 to Kansas City leaves the gate
23 h 09 apart on the timetable, overnight
WN 4448 leaves 23 h 09 after F9 3871 arrives on the timetable: more than half a day, so not a connection we count.