AA 352 then 8C 1231 at Miami
Guatemala City → Miami → San Juan
Timetable, Miami time
15:09AA 352 from Guatemala City at the gate
15:008C 1231 to San Juan leaves the gate
23 h 51 apart on the timetable, overnight
8C 1231 leaves 23 h 51 after AA 352 arrives on the timetable: more than half a day, so not a connection we count.