AA 644 then WN 4946 at Phoenix
Tampa → Phoenix → Louisville
Timetable, Phoenix time
20:50AA 644 from Tampa at the gate
18:25WN 4946 to Louisville leaves the gate
21 h 35 apart on the timetable, overnight
WN 4946 leaves 21 h 35 after AA 644 arrives on the timetable: more than half a day, so not a connection we count.