AA 2453 then DL 5626 at Boston
Los Angeles → Boston → Charlotte
Timetable, Boston time
07:47AA 2453 from Los Angeles at the gate
06:20DL 5626 to Charlotte leaves the gate
22 h 33 apart on the timetable, overnight
DL 5626 leaves 22 h 33 after AA 2453 arrives on the timetable: more than half a day, so not a connection we count.