F9 1957 then AA 1869 at Houston
Detroit → Houston → Miami
Timetable, Houston time
15:04F9 1957 from Detroit at the gate
13:20AA 1869 to Miami leaves the gate
22 h 16 apart on the timetable, overnight
AA 1869 leaves 22 h 16 after F9 1957 arrives on the timetable: more than half a day, so not a connection we count.