UA 1282 then DL 2709 at Houston
San Antonio → Houston → Atlanta
Timetable, Houston time
12:52UA 1282 from San Antonio at the gate
08:05DL 2709 to Atlanta leaves the gate
19 h 13 apart on the timetable, overnight
DL 2709 leaves 19 h 13 after UA 1282 arrives on the timetable: more than half a day, so not a connection we count.