AA 3033 then DL 1892 at Atlanta
Chicago O'Hare → Atlanta → Chattanooga
Timetable, Atlanta time
18:16AA 3033 from Chicago O'Hare at the gate
14:30DL 1892 to Chattanooga leaves the gate
20 h 14 apart on the timetable, overnight
DL 1892 leaves 20 h 14 after AA 3033 arrives on the timetable: more than half a day, so not a connection we count.