PD 2615 then B6 1487 at Boston
Toronto Pearson → Boston → Los Angeles
Timetable, Boston time
09:10PD 2615 from Toronto Pearson at the gate
09:05B6 1487 to Los Angeles leaves the gate
23 h 55 apart on the timetable, overnight
B6 1487 leaves 23 h 55 after PD 2615 arrives on the timetable: more than half a day, so not a connection we count.