AA 4455 then WN 802 at Boston
Washington National → Boston → San Diego
Timetable, Boston time
08:26AA 4455 from Washington National at the gate
08:15WN 802 to San Diego leaves the gate
23 h 49 apart on the timetable, overnight
WN 802 leaves 23 h 49 after AA 4455 arrives on the timetable: more than half a day, so not a connection we count.