DL 1790 then 2I 199 at Miami
Havana → Miami → Cincinnati
Timetable, Miami time
17:53DL 1790 from Havana at the gate
15:002I 199 to Cincinnati leaves the gate
21 h 07 apart on the timetable, overnight
2I 199 leaves 21 h 07 after DL 1790 arrives on the timetable: more than half a day, so not a connection we count.