AA 352 then AA 3311 at Charlotte
Tampa → Charlotte → Detroit
Timetable, Charlotte time
12:02AA 352 from Tampa at the gate
15:10AA 3311 to Detroit leaves the gate
3 h 08 apart on the timetable
The last days
AA 352 and AA 3311 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.