AS 784 then DL 9963 at Atlanta
Portland (Oregon) → Atlanta → Queretaro
Timetable, Atlanta time
15:19AS 784 from Portland (Oregon) 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 AS 784 arrives on the timetable: more than half a day, so not a connection we count.