DL 2571 then DL 9963 at Atlanta
Knoxville → Atlanta → Queretaro
Timetable, Atlanta time
19:17DL 2571 from Knoxville at the gate
09:30DL 9963 to Queretaro leaves the gate
14 h 13 apart on the timetable, overnight
DL 9963 leaves 14 h 13 after DL 2571 arrives on the timetable: more than half a day, so not a connection we count.