AC 4121 then AF 2092 at San Francisco
Ontario → San Francisco → Atlanta
Timetable, San Francisco time
17:50AC 4121 from Ontario at the gate
14:08AF 2092 to Atlanta leaves the gate
20 h 18 apart on the timetable, overnight
AF 2092 leaves 20 h 18 after AC 4121 arrives on the timetable: more than half a day, so not a connection we count.