AA 4525 then 1I 605 at O'Hare
Madison → Chicago → St Louis
Timetable, Chicago time
10:40AA 4525 from Madison at the gate
11:301I 605 to St Louis leaves the gate
50 min apart on the timetable
Today
From the airport’s board at 22:23 Chicago time
10:36AA 4525 reached the gate4 min early
10:461I 605 left the gate44 min early
10 min between the gates
The last days
AA 4525 and 1I 605 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.