AA 1045 then WN 2159 at Atlanta
Miami → Atlanta → Dallas
Timetable, Atlanta time
00:45AA 1045 from Miami at the gate
07:10WN 2159 to Dallas leaves the gate
6 h 25 apart on the timetable
The last days
AA 1045 and WN 2159 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.