AA 2263 then AA 3209 at Miami
Phoenix → Miami → Punta Cana
Timetable, Miami time
07:05AA 2263 from Phoenix at the gate
08:25AA 3209 to Punta Cana leaves the gate
1 h 20 apart on the timetable
The last days
AA 2263 and AA 3209 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.