AA 688 then AA 2230 at Miami
New York JFK → Miami → Houston
Timetable, Miami time
09:13AA 688 from New York JFK at the gate
21:59AA 2230 to Houston leaves the gate
12 h 46 apart on the timetable
AA 2230 leaves 12 h 46 after AA 688 arrives on the timetable: more than half a day, so not a connection we count.