AS 334 then DL 9963 at Atlanta
Seattle → Atlanta → Queretaro
Timetable, Atlanta time
17:14AS 334 from Seattle at the gate
09:30DL 9963 to Queretaro leaves the gate
16 h 16 apart on the timetable, overnight
DL 9963 leaves 16 h 16 after AS 334 arrives on the timetable: more than half a day, so not a connection we count.