F9 4405 then DL 1892 at Atlanta
Miami → Atlanta → Chattanooga
Timetable, Atlanta time
18:30F9 4405 from Miami at the gate
14:30DL 1892 to Chattanooga leaves the gate
20 h apart on the timetable, overnight
DL 1892 leaves 20 h after F9 4405 arrives on the timetable: more than half a day, so not a connection we count.