DL 1805 then DL 9963 at Atlanta
La Mesa → Atlanta → Queretaro
Timetable, Atlanta time
17:43DL 1805 from La Mesa at the gate
09:30DL 9963 to Queretaro leaves the gate
15 h 47 apart on the timetable, overnight
DL 9963 leaves 15 h 47 after DL 1805 arrives on the timetable: more than half a day, so not a connection we count.