UA 3577 then B6 8412 at O'Hare
Rochester (ROC) → Chicago → Boston
Timetable, Chicago time
14:29UA 3577 from Rochester (ROC) at the gate
16:00B6 8412 to Boston leaves the gate
1 h 31 apart on the timetable
Today
From the airport’s board at 15:17 Chicago time
14:22UA 3577 reached the gate7 min early
16:00B6 8412 due to leave, no estimate yet
1 h 38 between the gates, on these times
The last days
UA 3577 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.