DL 9941 then DL 1329 at Atlanta
Queretaro → Atlanta → Philadelphia
Timetable, Atlanta time
19:43DL 9941 from Queretaro at the gate
16:34DL 1329 to Philadelphia leaves the gate
20 h 51 apart on the timetable, overnight
DL 1329 leaves 20 h 51 after DL 9941 arrives on the timetable: more than half a day, so not a connection we count.