AA 818 then 1I 501 at O'Hare
Charlotte → Chicago → Milwaukee
Timetable, Chicago time
12:19AA 818 from Charlotte at the gate
16:301I 501 to Milwaukee leaves the gate
4 h 11 apart on the timetable
Today
From the airport’s board at 13:37 Chicago time
12:05AA 818 reached the gate14 min early
16:301I 501 due to leave, no estimate yet
4 h 25 between the gates, on these times
The last days
AA 818 and 1I 501 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.