DL 348 then DL 9963 at Atlanta
Phoenix → Atlanta → Queretaro
Timetable, Atlanta time
17:10DL 348 from Phoenix at the gate
09:30DL 9963 to Queretaro leaves the gate
16 h 20 apart on the timetable, overnight
DL 9963 leaves 16 h 20 after DL 348 arrives on the timetable: more than half a day, so not a connection we count.