F9 1116 then DL 9963 at Atlanta
Las Vegas → Atlanta → Queretaro
Timetable, Atlanta time
13:55F9 1116 from Las Vegas at the gate
09:30DL 9963 to Queretaro leaves the gate
19 h 35 apart on the timetable, overnight
DL 9963 leaves 19 h 35 after F9 1116 arrives on the timetable: more than half a day, so not a connection we count.