DL 2859 then AA 3311 at Detroit
Hartford → Detroit → Charlotte
Timetable, Detroit time
11:38DL 2859 from Hartford at the gate
18:25AA 3311 to Charlotte leaves the gate
6 h 47 apart on the timetable
The last days
DL 2859 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.