DL 9979 then DL 1379 at Atlanta
Detroit → Atlanta → Fort Myers
Timetable, Atlanta time
15:41DL 9979 from Detroit at the gate
15:15DL 1379 to Fort Myers leaves the gate
23 h 34 apart on the timetable, overnight
DL 1379 leaves 23 h 34 after DL 9979 arrives on the timetable: more than half a day, so not a connection we count.