AA 3449 then AA 5434 at DFW
Lexington → Dallas-Fort Worth → Midland
Timetable, Dallas-Fort Worth time
21:39AA 3449 from Lexington at the gate
18:15AA 5434 to Midland leaves the gate
20 h 36 apart on the timetable, overnight
AA 5434 leaves 20 h 36 after AA 3449 arrives on the timetable: more than half a day, so not a connection we count.