AA 826 then AA 1355 at DFW
Toronto → Dallas-Fort Worth → Oklahoma City
Timetable, Dallas-Fort Worth time
16:50AA 826 from Toronto at the gate
13:11AA 1355 to Oklahoma City leaves the gate
20 h 21 apart on the timetable, overnight
AA 1355 leaves 20 h 21 after AA 826 arrives on the timetable: more than half a day, so not a connection we count.