DL 9941 then DL 1284 at Atlanta
Queretaro → Atlanta → Houston
Timetable, Atlanta time
19:43DL 9941 from Queretaro at the gate
18:55DL 1284 to Houston leaves the gate
23 h 12 apart on the timetable, overnight
DL 1284 leaves 23 h 12 after DL 9941 arrives on the timetable: more than half a day, so not a connection we count.