GateConnections

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.