B6 1187 then AA 1115 at LAX
Boston → Los Angeles → Washington
Timetable, Los Angeles time
23:56B6 1187 from Boston at the gate
21:45AA 1115 to Washington leaves the gate
21 h 49 apart on the timetable, overnight
AA 1115 leaves 21 h 49 after B6 1187 arrives on the timetable: more than half a day, so not a connection we count.