AA 680 then WN 3526 at Phoenix
Charlotte → Phoenix → St Louis
Timetable, Phoenix time
11:56AA 680 from Charlotte at the gate
11:20WN 3526 to St Louis leaves the gate
23 h 24 apart on the timetable, overnight
WN 3526 leaves 23 h 24 after AA 680 arrives on the timetable: more than half a day, so not a connection we count.