AA 1869 then AA 3558 at Miami
Houston → Miami → Des Moines
Timetable, Miami time
20:35AA 1869 from Houston at the gate
20:01AA 3558 to Des Moines leaves the gate
23 h 26 apart on the timetable, overnight
AA 3558 leaves 23 h 26 after AA 1869 arrives on the timetable: more than half a day, so not a connection we count.