AA 5510 then DL 2085 at Atlanta
Washington National → Atlanta → Chattanooga
Timetable, Atlanta time
23:23AA 5510 from Washington National at the gate
23:00DL 2085 to Chattanooga leaves the gate
23 h 37 apart on the timetable, overnight
DL 2085 leaves 23 h 37 after AA 5510 arrives on the timetable: more than half a day, so not a connection we count.