AA 1274 then DL 1697 at Phoenix
Charlotte → Phoenix → Boston
Timetable, Phoenix time
19:38AA 1274 from Charlotte at the gate
14:20DL 1697 to Boston leaves the gate
18 h 42 apart on the timetable, overnight
DL 1697 leaves 18 h 42 after AA 1274 arrives on the timetable: more than half a day, so not a connection we count.