AA 1252 then WN 942 at Miami
Philadelphia → Miami → Nashville
Timetable, Miami time
08:59AA 1252 from Philadelphia at the gate
13:50WN 942 to Nashville leaves the gate
4 h 51 apart on the timetable
The last days
AA 1252 and WN 942 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.