DL 2140 then DL 2709 at Houston
New York LaGuardia → Houston → Atlanta
Timetable, Houston time
10:14DL 2140 from New York LaGuardia at the gate
08:05DL 2709 to Atlanta leaves the gate
21 h 51 apart on the timetable, overnight
DL 2709 leaves 21 h 51 after DL 2140 arrives on the timetable: more than half a day, so not a connection we count.