AA 3100 then AA 1580 at DFW
Louisville → Dallas-Fort Worth → Tucson
Timetable, Dallas-Fort Worth time
08:50AA 3100 from Louisville at the gate
21:15AA 1580 to Tucson leaves the gate
12 h 25 apart on the timetable
AA 1580 leaves 12 h 25 after AA 3100 arrives on the timetable: more than half a day, so not a connection we count.