DL 1258 then DL 9936 at Atlanta
Austin → Atlanta → Santa Clara
Timetable, Atlanta time
09:42DL 1258 from Austin at the gate
09:30DL 9936 to Santa Clara leaves the gate
23 h 48 apart on the timetable, overnight
DL 9936 leaves 23 h 48 after DL 1258 arrives on the timetable: more than half a day, so not a connection we count.