DL 2469 then UA 571 at Atlanta
Columbus (Ohio) → Atlanta → San Francisco
Timetable, Atlanta time
07:43DL 2469 from Columbus (Ohio) at the gate
07:00UA 571 to San Francisco leaves the gate
23 h 17 apart on the timetable, overnight
UA 571 leaves 23 h 17 after DL 2469 arrives on the timetable: more than half a day, so not a connection we count.