AA 1731 then DL 454 at DFW
Louisville → Dallas-Fort Worth → New York JFK
Timetable, Dallas-Fort Worth time
07:39AA 1731 from Louisville at the gate
07:35DL 454 to New York JFK leaves the gate
23 h 56 apart on the timetable, overnight
DL 454 leaves 23 h 56 after AA 1731 arrives on the timetable: more than half a day, so not a connection we count.