SY 415 then AA 837 at Miami
Minneapolis → Miami → Havana
Timetable, Miami time
18:10SY 415 from Minneapolis at the gate
12:14AA 837 to Havana leaves the gate
18 h 04 apart on the timetable, overnight
AA 837 leaves 18 h 04 after SY 415 arrives on the timetable: more than half a day, so not a connection we count.