DL 1345 then CI 5345 at Atlanta
Pittsburgh → Atlanta → San Francisco
Timetable, Atlanta time
15:30DL 1345 from Pittsburgh at the gate
12:45CI 5345 to San Francisco leaves the gate
21 h 15 apart on the timetable, overnight
CI 5345 leaves 21 h 15 after DL 1345 arrives on the timetable: more than half a day, so not a connection we count.