AA 1802 then WN 3522 at Miami
San Diego → Miami → St Louis
Timetable, Miami time
05:14AA 1802 from San Diego at the gate
17:30WN 3522 to St Louis leaves the gate
12 h 16 apart on the timetable
WN 3522 leaves 12 h 16 after AA 1802 arrives on the timetable: more than half a day, so not a connection we count.