DL 5519 then DL 9963 at Atlanta
Tri-Cities → Atlanta → Queretaro
Timetable, Atlanta time
16:49DL 5519 from Tri-Cities at the gate
09:30DL 9963 to Queretaro leaves the gate
16 h 41 apart on the timetable, overnight
DL 9963 leaves 16 h 41 after DL 5519 arrives on the timetable: more than half a day, so not a connection we count.