AA 2349 then B6 1187 at Boston
Phoenix → Boston → Los Angeles
Timetable, Boston time
16:45AA 2349 from Phoenix at the gate
15:45B6 1187 to Los Angeles leaves the gate
23 h apart on the timetable, overnight
B6 1187 leaves 23 h after AA 2349 arrives on the timetable: more than half a day, so not a connection we count.