AA 4450 then B6 8412 at O'Hare
Madison → Chicago → Boston
Timetable, Chicago time
06:21AA 4450 from Madison at the gate
16:00B6 8412 to Boston leaves the gate
9 h 39 apart on the timetable
Today
From the airport’s board at 17:53 Chicago time
05:59AA 4450 reached the gate22 min early
16:00B6 8412 due to leave, no estimate yet
10 h 01 between the gates, on these times
The last days
AA 4450 and B6 8412 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.