AA 2263 then AA 3659 at Miami
Phoenix → Miami → St Louis
Timetable, Miami time
07:05AA 2263 from Phoenix at the gate
08:04AA 3659 to St Louis leaves the gate
59 min apart on the timetable
The last days
AA 2263 and AA 3659 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.