DL 2099 then DL 2709 at Houston
New York LaGuardia → Houston → Atlanta
Timetable, Houston time
13:37DL 2099 from New York LaGuardia at the gate
08:05DL 2709 to Atlanta leaves the gate
18 h 28 apart on the timetable, overnight
DL 2709 leaves 18 h 28 after DL 2099 arrives on the timetable: more than half a day, so not a connection we count.