AA 4942 then AA 6251 at O'Hare
Colorado Springs → Chicago → Milwaukee
Timetable, Chicago time
16:31AA 4942 from Colorado Springs at the gate
17:24AA 6251 to Milwaukee leaves the gate
53 min apart on the timetable
The last days
AA 4942 and AA 6251 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.