AA 6443 then AA 3611 at DFW
Lincoln → Dallas-Fort Worth → Abilene
Timetable, Dallas-Fort Worth time
08:40AA 6443 from Lincoln at the gate
21:10AA 3611 to Abilene leaves the gate
12 h 30 apart on the timetable
AA 3611 leaves 12 h 30 after AA 6443 arrives on the timetable: more than half a day, so not a connection we count.