UA 3695 then B6 1187 at Boston
Newark → Boston → Los Angeles
Timetable, Boston time
18:53UA 3695 from Newark at the gate
15:45B6 1187 to Los Angeles leaves the gate
20 h 52 apart on the timetable, overnight
B6 1187 leaves 20 h 52 after UA 3695 arrives on the timetable: more than half a day, so not a connection we count.