AA 2523 then F9 3052 at DFW
Amarillo → Dallas-Fort Worth → Nashville
Timetable, Dallas-Fort Worth time
08:49AA 2523 from Amarillo at the gate
15:22F9 3052 to Nashville leaves the gate
6 h 33 apart on the timetable
The last days
AA 2523 and F9 3052 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.