CI 5345 then UA 1780 at San Francisco
Atlanta → San Francisco → Ontario
Timetable, San Francisco time
23:09CI 5345 from Atlanta at the gate
18:50UA 1780 to Ontario leaves the gatealso AC 4423, AC 4548
19 h 41 apart on the timetable, overnight
UA 1780 leaves 19 h 41 after CI 5345 arrives on the timetable: more than half a day, so not a connection we count.