AA 1454 then DL 873 at DFW
Miami → Dallas-Fort Worth → New York LaGuardia
Timetable, Dallas-Fort Worth time
09:24AA 1454 from Miami at the gate
09:00DL 873 to New York LaGuardia leaves the gate
23 h 36 apart on the timetable, overnight
DL 873 leaves 23 h 36 after AA 1454 arrives on the timetable: more than half a day, so not a connection we count.