AA 1039 then AA 1379 at Charlotte
Cedar Rapids → Charlotte → Hartford
Timetable, Charlotte time
10:18AA 1039 from Cedar Rapids at the gate
14:38AA 1379 to Hartford leaves the gate
4 h 20 apart on the timetable
The last days
AA 1039 and AA 1379 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.