DL 1668 then DL 1602 at Atlanta
Indianapolis → Atlanta → Santa Ana
Timetable, Atlanta time
21:54DL 1668 from Indianapolis at the gate
20:25DL 1602 to Santa Ana leaves the gate
22 h 31 apart on the timetable, overnight
DL 1602 leaves 22 h 31 after DL 1668 arrives on the timetable: more than half a day, so not a connection we count.