AA 1869 then AA 2643 at Miami
Houston → Miami → San José (Costa Rica)
Timetable, Miami time
20:35AA 1869 from Houston at the gate
18:50AA 2643 to San José (Costa Rica) leaves the gate
22 h 15 apart on the timetable, overnight
AA 2643 leaves 22 h 15 after AA 1869 arrives on the timetable: more than half a day, so not a connection we count.