AA 3100 then AA 1974 at DFW
Louisville → Dallas-Fort Worth → Chicago O'Hare
Timetable, Dallas-Fort Worth time
10:00AA 3100 from Louisville at the gate
06:12AA 1974 to Chicago O'Hare leaves the gate
20 h 12 apart on the timetable, overnight
AA 1974 leaves 20 h 12 after AA 3100 arrives on the timetable: more than half a day, so not a connection we count.