DL 9941 then DL 3143 at Atlanta
Queretaro → Atlanta → Lexington
Timetable, Atlanta time
19:43DL 9941 from Queretaro at the gate
15:41DL 3143 to Lexington leaves the gate
19 h 58 apart on the timetable, overnight
DL 3143 leaves 19 h 58 after DL 9941 arrives on the timetable: more than half a day, so not a connection we count.