AA 573 then AA 2674 at Charlotte
Denver → Charlotte → Boston
Timetable, Charlotte time
11:49AA 573 from Denver at the gate
11:35AA 2674 to Boston leaves the gate
23 h 46 apart on the timetable, overnight
AA 2674 leaves 23 h 46 after AA 573 arrives on the timetable: more than half a day, so not a connection we count.