DL 456 then CI 5345 at Atlanta
Boston → Atlanta → San Francisco
Timetable, Atlanta time
11:58DL 456 from Boston at the gate
01:58CI 5345 to San Francisco leaves the gate
14 h apart on the timetable, overnight
CI 5345 leaves 14 h after DL 456 arrives on the timetable: more than half a day, so not a connection we count.