UA 8660 then OZ 6261 at Newark
Toronto Pearson → New York → Los Angeles
Timetable, New York time
15:45UA 8660 from Toronto Pearson at the gate
15:30OZ 6261 to Los Angeles leaves the gate
23 h 45 apart on the timetable, overnight
OZ 6261 leaves 23 h 45 after UA 8660 arrives on the timetable: more than half a day, so not a connection we count.