F9 3051 then AA 2312 at DFW
Nashville → Dallas-Fort Worth → Tulsa
Timetable, Dallas-Fort Worth time
20:50F9 3051 from Nashville at the gate
18:11AA 2312 to Tulsa leaves the gate
21 h 21 apart on the timetable, overnight
AA 2312 leaves 21 h 21 after F9 3051 arrives on the timetable: more than half a day, so not a connection we count.