AA 6059 then AA 1662 at Charlotte
Moline → Charlotte → Denver
Timetable, Charlotte time
11:26AA 6059 from Moline at the gate
11:44AA 1662 to Denver leaves the gate
18 min apart on the timetable
The last days
AA 6059 and AA 1662 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.