UA 5902 then B6 8412 at O'Hare
Madison → Chicago → Boston
Timetable, Chicago time
06:20UA 5902 from Madison at the gate
16:00B6 8412 to Boston leaves the gate
9 h 40 apart on the timetable
Today
From the airport’s board at 18:07 Chicago time
06:13UA 5902 reached the gate7 min early
16:00B6 8412 due to leave, no estimate yet
9 h 47 between the gates, on these times
The last days
UA 5902 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.