AA 2877 then AA 1076 at DFW
Cozumel → Dallas-Fort Worth → Nashville
Timetable, Dallas-Fort Worth time
17:31AA 2877 from Cozumel at the gate
18:05AA 1076 to Nashville leaves the gate
34 min apart on the timetable
The last days
AA 2877 and AA 1076 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.