AA 517 then UA 2376 at San Francisco
Chicago O'Hare → San Francisco → Newark
Timetable, San Francisco time
11:11AA 517 from Chicago O'Hare at the gatealso QF 4687
23:15UA 2376 to Newark leaves the gate
12 h 04 apart on the timetable
UA 2376 leaves 12 h 04 after AA 517 arrives on the timetable: more than half a day, so not a connection we count.