UA 5200 then DL 2709 at Houston
Meridian → Houston → Atlanta
Timetable, Houston time
12:30UA 5200 from Meridian at the gate
08:05DL 2709 to Atlanta leaves the gate
19 h 35 apart on the timetable, overnight
DL 2709 leaves 19 h 35 after UA 5200 arrives on the timetable: more than half a day, so not a connection we count.