AA 1107 then AA 1224 at DFW
Houston → Dallas-Fort Worth → Lexington
Timetable, Dallas-Fort Worth time
16:09AA 1107 from Houston at the gate
14:39AA 1224 to Lexington leaves the gate
22 h 30 apart on the timetable, overnight
AA 1224 leaves 22 h 30 after AA 1107 arrives on the timetable: more than half a day, so not a connection we count.