DL 1693 then DL 866 at Atlanta
Nashville → Atlanta → Lexington
Timetable, Atlanta time
20:24DL 1693 from Nashville at the gate
20:10DL 866 to Lexington leaves the gate
23 h 46 apart on the timetable, overnight
DL 866 leaves 23 h 46 after DL 1693 arrives on the timetable: more than half a day, so not a connection we count.