AA 3911 then AA 1869 at Houston
Dallas-Fort Worth → Houston → Miami
Timetable, Houston time
13:31AA 3911 from Dallas-Fort Worth at the gate
13:20AA 1869 to Miami leaves the gate
23 h 49 apart on the timetable, overnight
AA 1869 leaves 23 h 49 after AA 3911 arrives on the timetable: more than half a day, so not a connection we count.