AA 2133 then DL 1954 at Charlotte
Hartford → Charlotte → Detroit
Timetable, Charlotte time
10:14AA 2133 from Hartford at the gate
17:00DL 1954 to Detroit leaves the gate
6 h 46 apart on the timetable
The last days
AA 2133 and DL 1954 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.