DL 994 then DL 2381 at Atlanta
New York LaGuardia → Atlanta → Houston Hobby
Timetable, Atlanta time
15:23DL 994 from New York LaGuardia at the gate
15:15DL 2381 to Houston Hobby leaves the gate
23 h 52 apart on the timetable, overnight
DL 2381 leaves 23 h 52 after DL 994 arrives on the timetable: more than half a day, so not a connection we count.