AA 1857 then AA 794 at Miami
Philadelphia → Miami → Dallas-Fort Worth
Timetable, Miami time
10:18AA 1857 from Philadelphia at the gate
11:15AA 794 to Dallas-Fort Worth leaves the gate
57 min apart on the timetable
The last days
AA 1857 and AA 794 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.