AA 519 then UA 3584 at O'Hare
Portland (Oregon) → Chicago → Kansas City
Timetable, Chicago time
05:07AA 519 from Portland (Oregon) at the gate
08:40UA 3584 to Kansas City leaves the gate
3 h 33 apart on the timetable
The last days
AA 519 and UA 3584 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.