AA 2238 then AA 2512 at DFW
Nashville → Dallas-Fort Worth → Ontario
Timetable, Dallas-Fort Worth time
21:50AA 2238 from Nashville at the gate
21:41AA 2512 to Ontario leaves the gate
23 h 51 apart on the timetable, overnight
AA 2512 leaves 23 h 51 after AA 2238 arrives on the timetable: more than half a day, so not a connection we count.