AF 2480 then B6 1534 at San Francisco
Atlanta → San Francisco → Boston
Timetable, San Francisco time
22:40AF 2480 from Atlanta at the gate
22:10B6 1534 to Boston leaves the gate
23 h 30 apart on the timetable, overnight
B6 1534 leaves 23 h 30 after AF 2480 arrives on the timetable: more than half a day, so not a connection we count.