DL 9941 then DL 2956 at Atlanta
Queretaro → Atlanta → Philadelphia
Timetable, Atlanta time
19:43DL 9941 from Queretaro at the gate
12:38DL 2956 to Philadelphia leaves the gate
16 h 55 apart on the timetable, overnight
DL 2956 leaves 16 h 55 after DL 9941 arrives on the timetable: more than half a day, so not a connection we count.