DL 521 then AA 1355 at DFW
Los Angeles → Dallas-Fort Worth → Oklahoma City
Timetable, Dallas-Fort Worth time
15:02DL 521 from Los Angeles at the gate
13:11AA 1355 to Oklahoma City leaves the gate
22 h 09 apart on the timetable, overnight
AA 1355 leaves 22 h 09 after DL 521 arrives on the timetable: more than half a day, so not a connection we count.