UA 2469 then DL 2709 at Houston
San Antonio → Houston → Atlanta
Timetable, Houston time
08:42UA 2469 from San Antonio at the gate
08:05DL 2709 to Atlanta leaves the gate
23 h 23 apart on the timetable, overnight
DL 2709 leaves 23 h 23 after UA 2469 arrives on the timetable: more than half a day, so not a connection we count.