LH 9178 then OZ 9523 at San Francisco
Chicago O'Hare → San Francisco → Newark
Timetable, San Francisco time
17:23LH 9178 from Chicago O'Hare at the gate
16:30OZ 9523 to Newark leaves the gate
23 h 07 apart on the timetable, overnight
OZ 9523 leaves 23 h 07 after LH 9178 arrives on the timetable: more than half a day, so not a connection we count.