AA 2450 then KX 123 at Miami
Varadero → Miami → Grand Cayman
Timetable, Miami time
11:53AA 2450 from Varadero at the gate
11:50KX 123 to Grand Cayman leaves the gate
23 h 57 apart on the timetable, overnight
KX 123 leaves 23 h 57 after AA 2450 arrives on the timetable: more than half a day, so not a connection we count.