UA 5210 then DL 2709 at Houston
Shreveport → Houston → Atlanta
Timetable, Houston time
12:35UA 5210 from Shreveport at the gate
08:05DL 2709 to Atlanta leaves the gate
19 h 30 apart on the timetable, overnight
DL 2709 leaves 19 h 30 after UA 5210 arrives on the timetable: more than half a day, so not a connection we count.