UA 3852 then UA 58 at San Francisco
Ontario → San Francisco → Frankfurt am Main
Timetable, San Francisco time
14:00UA 3852 from Ontario at the gate
13:50UA 58 to Frankfurt am Main leaves the gatealso AC 4057, LH 9403, NZ 9800
23 h 50 apart on the timetable, overnight
UA 58 leaves 23 h 50 after UA 3852 arrives on the timetable: more than half a day, so not a connection we count.