F9 2171 then DL 1892 at Atlanta
Fort Lauderdale → Atlanta → Chattanooga
Timetable, Atlanta time
16:38F9 2171 from Fort Lauderdale at the gate
14:30DL 1892 to Chattanooga leaves the gate
21 h 52 apart on the timetable, overnight
DL 1892 leaves 21 h 52 after F9 2171 arrives on the timetable: more than half a day, so not a connection we count.