DL 514 then AA 890 at Phoenix
Boston → Phoenix → St Louis
Timetable, Phoenix time
21:53DL 514 from Boston at the gate
15:43AA 890 to St Louis leaves the gate
17 h 50 apart on the timetable, overnight
AA 890 leaves 17 h 50 after DL 514 arrives on the timetable: more than half a day, so not a connection we count.