AA 3083 then WN 261 at Atlanta
Philadelphia → Atlanta → St Louis
Timetable, Atlanta time
13:24AA 3083 from Philadelphia at the gate
19:02WN 261 to St Louis leaves the gate
5 h 38 apart on the timetable
The last days
AA 3083 and WN 261 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.