AA 3667 then UA 3755 at O'Hare
Moline → Chicago → Denver
Timetable, Chicago time
12:36AA 3667 from Moline at the gate
18:37UA 3755 to Denver leaves the gate
6 h 01 apart on the timetable
Today
From the airport’s board at 14:35 Chicago time
12:23AA 3667 reached the gate13 min early
18:37UA 3755 due to leave, no estimate yet
6 h 14 between the gates, on these times
The last days
AA 3667 and UA 3755 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.