DL 839 then AA 3611 at DFW
Atlanta → Dallas-Fort Worth → Abilene
Timetable, Dallas-Fort Worth time
08:56DL 839 from Atlanta at the gate
21:10AA 3611 to Abilene leaves the gate
12 h 14 apart on the timetable
AA 3611 leaves 12 h 14 after DL 839 arrives on the timetable: more than half a day, so not a connection we count.