DL 2020 then DL 9963 at Atlanta
Oklahoma City → Atlanta → Queretaro
Timetable, Atlanta time
16:38DL 2020 from Oklahoma City at the gate
09:30DL 9963 to Queretaro leaves the gate
16 h 52 apart on the timetable, overnight
DL 9963 leaves 16 h 52 after DL 2020 arrives on the timetable: more than half a day, so not a connection we count.