DL 195 then DL 9963 at Atlanta
Barcelona → Atlanta → Queretaro
Timetable, Atlanta time
15:19DL 195 from Barcelona at the gate
09:30DL 9963 to Queretaro leaves the gate
18 h 11 apart on the timetable, overnight
DL 9963 leaves 18 h 11 after DL 195 arrives on the timetable: more than half a day, so not a connection we count.