DL 9941 then DL 1477 at Atlanta
Queretaro → Atlanta → Chicago O'Hare
Timetable, Atlanta time
19:43DL 9941 from Queretaro at the gate
13:38DL 1477 to Chicago O'Hare leaves the gate
17 h 55 apart on the timetable, overnight
DL 1477 leaves 17 h 55 after DL 9941 arrives on the timetable: more than half a day, so not a connection we count.