DL 1625 then DL 600 at Atlanta
Memphis → Atlanta → Grand Cayman
Timetable, Atlanta time
10:30DL 1625 from Memphis at the gate
09:43DL 600 to Grand Cayman leaves the gate
23 h 13 apart on the timetable, overnight
DL 600 leaves 23 h 13 after DL 1625 arrives on the timetable: more than half a day, so not a connection we count.