AA 653 then UA 3305 at Charlotte
Tampa → Charlotte → Pittsburgh
Timetable, Charlotte time
08:50AA 653 from Tampa at the gate
15:00UA 3305 to Pittsburgh leaves the gate
6 h 10 apart on the timetable
The last days
AA 653 and UA 3305 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.