DL 3181 then UA 571 at Atlanta
Gainesville → Atlanta → San Francisco
Timetable, Atlanta time
07:23DL 3181 from Gainesville at the gate
07:00UA 571 to San Francisco leaves the gate
23 h 37 apart on the timetable, overnight
UA 571 leaves 23 h 37 after DL 3181 arrives on the timetable: more than half a day, so not a connection we count.