DL 998 then DL 1175 at Atlanta
San Antonio → Atlanta → Richmond
Timetable, Atlanta time
10:51DL 998 from San Antonio at the gate
23:05DL 1175 to Richmond leaves the gate
12 h 14 apart on the timetable
DL 1175 leaves 12 h 14 after DL 998 arrives on the timetable: more than half a day, so not a connection we count.