DL 9941 then DL 4709 at Atlanta
Queretaro → Atlanta → Springfield
Timetable, Atlanta time
19:43DL 9941 from Queretaro at the gate
15:49DL 4709 to Springfield leaves the gate
20 h 06 apart on the timetable, overnight
DL 4709 leaves 20 h 06 after DL 9941 arrives on the timetable: more than half a day, so not a connection we count.