F9 2409 then DL 1892 at Atlanta
Cleveland → Atlanta → Chattanooga
Timetable, Atlanta time
17:20F9 2409 from Cleveland at the gate
14:30DL 1892 to Chattanooga leaves the gate
21 h 10 apart on the timetable, overnight
DL 1892 leaves 21 h 10 after F9 2409 arrives on the timetable: more than half a day, so not a connection we count.