AA 894 then AA 4527 at O'Hare
Boston → Chicago → Baltimore
Timetable, Chicago time
14:40AA 894 from Boston at the gate
14:50AA 4527 to Baltimore leaves the gate
10 min apart on the timetable
Today
From the airport’s board at 16:43 Chicago time
14:33AA 894 reached the gate7 min early
14:41AA 4527 left the gate9 min early
8 min between the gates
The last days
AA 894 and AA 4527 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.