AA 1424 then WN 1582 at Detroit
Phoenix → Detroit → St Louis
Timetable, Detroit time
15:32AA 1424 from Phoenix at the gate
14:55WN 1582 to St Louis leaves the gate
23 h 23 apart on the timetable, overnight
WN 1582 leaves 23 h 23 after AA 1424 arrives on the timetable: more than half a day, so not a connection we count.