AA 960 then 8C 1231 at Miami
Washington National → Miami → San Juan
Timetable, Miami time
17:33AA 960 from Washington National at the gate
15:008C 1231 to San Juan leaves the gate
21 h 27 apart on the timetable, overnight
8C 1231 leaves 21 h 27 after AA 960 arrives on the timetable: more than half a day, so not a connection we count.