AA 2099 then AA 1953 at Miami
Santo Domingo → Miami → St Louis
Timetable, Miami time
14:34AA 2099 from Santo Domingo at the gate
13:42AA 1953 to St Louis leaves the gate
23 h 08 apart on the timetable, overnight
AA 1953 leaves 23 h 08 after AA 2099 arrives on the timetable: more than half a day, so not a connection we count.