DL 923 then CI 5345 at Atlanta
Boston → Atlanta → San Francisco
Timetable, Atlanta time
10:57DL 923 from Boston at the gate
01:58CI 5345 to San Francisco leaves the gate
15 h 01 apart on the timetable, overnight
CI 5345 leaves 15 h 01 after DL 923 arrives on the timetable: more than half a day, so not a connection we count.