F9 3600 then CI 5345 at Atlanta
Denver → Atlanta → San Francisco
Timetable, Atlanta time
15:48F9 3600 from Denver at the gate
12:45CI 5345 to San Francisco leaves the gate
20 h 57 apart on the timetable, overnight
CI 5345 leaves 20 h 57 after F9 3600 arrives on the timetable: more than half a day, so not a connection we count.