AA 3861 then AA 5418 at DFW
Northwest Arkansas → Dallas-Fort Worth → Harlingen
Timetable, Dallas-Fort Worth time
21:47AA 3861 from Northwest Arkansas at the gate
21:16AA 5418 to Harlingen leaves the gate
23 h 29 apart on the timetable, overnight
AA 5418 leaves 23 h 29 after AA 3861 arrives on the timetable: more than half a day, so not a connection we count.