AA 863 then AA 2230 at Miami
Washington National → Miami → Houston
Timetable, Miami time
08:49AA 863 from Washington National at the gate
21:59AA 2230 to Houston leaves the gate
13 h 10 apart on the timetable
AA 2230 leaves 13 h 10 after AA 863 arrives on the timetable: more than half a day, so not a connection we count.