DL 374 then AA 1355 at DFW
Atlanta → Dallas-Fort Worth → Oklahoma City
Timetable, Dallas-Fort Worth time
17:00DL 374 from Atlanta at the gate
13:11AA 1355 to Oklahoma City leaves the gate
20 h 11 apart on the timetable, overnight
AA 1355 leaves 20 h 11 after DL 374 arrives on the timetable: more than half a day, so not a connection we count.