DL 4661 then UA 571 at Atlanta
Charleston (West Virginia) → Atlanta → San Francisco
Timetable, Atlanta time
07:38DL 4661 from Charleston (West Virginia) at the gate
07:00UA 571 to San Francisco leaves the gate
23 h 22 apart on the timetable, overnight
UA 571 leaves 23 h 22 after DL 4661 arrives on the timetable: more than half a day, so not a connection we count.