AC 4121 then UA 1936 at San Francisco
Ontario → San Francisco → Minneapolis
Timetable, San Francisco time
10:55AC 4121 from Ontario at the gate
23:50UA 1936 to Minneapolis leaves the gate
12 h 55 apart on the timetable
UA 1936 leaves 12 h 55 after AC 4121 arrives on the timetable: more than half a day, so not a connection we count.