UA 3926 then UA 436 at San Francisco
Newark → San Francisco → Ontario
Timetable, San Francisco time
22:56UA 3926 from Newark at the gate
16:35UA 436 to Ontario leaves the gatealso AC 4014
17 h 39 apart on the timetable, overnight
UA 436 leaves 17 h 39 after UA 3926 arrives on the timetable: more than half a day, so not a connection we count.