AA 1273 then DL 839 at Atlanta
Miami → Atlanta → Dallas-Fort Worth
Timetable, Atlanta time
23:58AA 1273 from Miami at the gate
07:30DL 839 to Dallas-Fort Worth leaves the gate
7 h 32 apart on the timetable, overnight
The last days
AA 1273 and DL 839 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.