AA 4800 then DL 9963 at Atlanta
Washington National → Atlanta → Queretaro
Timetable, Atlanta time
16:08AA 4800 from Washington National at the gate
09:30DL 9963 to Queretaro leaves the gate
17 h 22 apart on the timetable, overnight
DL 9963 leaves 17 h 22 after AA 4800 arrives on the timetable: more than half a day, so not a connection we count.