AA 644 then WN 3528 at Phoenix
Tampa → Phoenix → St Louis
Timetable, Phoenix time
20:50AA 644 from Tampa at the gate
20:25WN 3528 to St Louis leaves the gate
23 h 35 apart on the timetable, overnight
WN 3528 leaves 23 h 35 after AA 644 arrives on the timetable: more than half a day, so not a connection we count.