DL 1392 then UA 571 at Atlanta
Indianapolis → Atlanta → San Francisco
Timetable, Atlanta time
07:40DL 1392 from Indianapolis at the gate
07:00UA 571 to San Francisco leaves the gate
23 h 20 apart on the timetable, overnight
UA 571 leaves 23 h 20 after DL 1392 arrives on the timetable: more than half a day, so not a connection we count.