AA 1255 then 8C 1231 at Miami
Kansas City → Miami → San Juan
Timetable, Miami time
09:15AA 1255 from Kansas City at the gate
00:008C 1231 to San Juan leaves the gate
14 h 45 apart on the timetable, overnight
8C 1231 leaves 14 h 45 after AA 1255 arrives on the timetable: more than half a day, so not a connection we count.