UA 3875 then UA 5763 at San Francisco
IAB → San Francisco → Ontario
Timetable, San Francisco time
01:46UA 3875 from IAB at the gate
16:19UA 5763 to Ontario leaves the gate
14 h 33 apart on the timetable
UA 5763 leaves 14 h 33 after UA 3875 arrives on the timetable: more than half a day, so not a connection we count.