DL 9941 then WN 586 at Atlanta
Queretaro → Atlanta → Washington National
Timetable, Atlanta time
19:43DL 9941 from Queretaro at the gate
13:55WN 586 to Washington National leaves the gate
18 h 12 apart on the timetable, overnight
WN 586 leaves 18 h 12 after DL 9941 arrives on the timetable: more than half a day, so not a connection we count.