DL 2894 then CI 5345 at Atlanta
Chicago O'Hare → Atlanta → San Francisco
Timetable, Atlanta time
16:25DL 2894 from Chicago O'Hare at the gate
12:45CI 5345 to San Francisco leaves the gate
20 h 20 apart on the timetable, overnight
CI 5345 leaves 20 h 20 after DL 2894 arrives on the timetable: more than half a day, so not a connection we count.