AA 6192 then AA 1317 at O'Hare
Milwaukee → Chicago → Denver
Timetable, Chicago time
09:05AA 6192 from Milwaukee at the gate
15:20AA 1317 to Denver leaves the gate
6 h 15 apart on the timetable
The last days
AA 6192 and AA 1317 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.