DL 641 then DL 2381 at Atlanta
Cancún → Atlanta → Houston Hobby
Timetable, Atlanta time
16:25DL 641 from Cancún at the gate
15:15DL 2381 to Houston Hobby leaves the gate
22 h 50 apart on the timetable, overnight
DL 2381 leaves 22 h 50 after DL 641 arrives on the timetable: more than half a day, so not a connection we count.