AA 3548 then AA 2979 at DFW
Gulfport → Dallas-Fort Worth → Nashville
Timetable, Dallas-Fort Worth time
13:45AA 3548 from Gulfport at the gate
19:50AA 2979 to Nashville leaves the gate
6 h 05 apart on the timetable
The last days
AA 3548 and AA 2979 weren’t both flown 15 min to 12 h apart in the last 21 days.
Statistics from past flights, not live flight information. Always check times and your connection with your airline, and don’t base travel or booking decisions on these numbers.