5X 5602 then AA 2708 at O'Hare
Louisville → Chicago → Houston
Timetable, Chicago time
18:075X 5602 from Louisville at the gate
17:10AA 2708 to Houston leaves the gate
23 h 03 apart on the timetable, overnight
AA 2708 leaves 23 h 03 after 5X 5602 arrives on the timetable: more than half a day, so not a connection we count.