F9 2539 then DL 1366 at Atlanta
Columbus (Ohio) → Atlanta → Chattanooga
Timetable, Atlanta time
21:35F9 2539 from Columbus (Ohio) at the gate
20:30DL 1366 to Chattanooga leaves the gate
22 h 55 apart on the timetable, overnight
DL 1366 leaves 22 h 55 after F9 2539 arrives on the timetable: more than half a day, so not a connection we count.