AA 5332 then DL 5037 at Dulles
Charlotte → Washington → Detroit
Timetable, Washington time
10:11AA 5332 from Charlotte at the gate
17:08DL 5037 to Detroit leaves the gate
6 h 57 apart on the timetable
The last days
AA 5332 and DL 5037 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.