DL 597 then CI 5345 at Atlanta
Cancún → Atlanta → San Francisco
Timetable, Atlanta time
17:39DL 597 from Cancún at the gate
12:45CI 5345 to San Francisco leaves the gate
19 h 06 apart on the timetable, overnight
CI 5345 leaves 19 h 06 after DL 597 arrives on the timetable: more than half a day, so not a connection we count.