AA 3515 then 1I 605 at O'Hare
Appleton → Chicago → St Louis
Timetable, Chicago time
08:40AA 3515 from Appleton at the gate
11:301I 605 to St Louis leaves the gate
2 h 50 apart on the timetable
Today
From the airport’s board at 09:19 Chicago time
08:40AA 3515 is cancelled
11:301I 605 due to leave, no estimate yet
The last days
AA 3515 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.