OO 285 then UA 3425 at O'Hare
Grand Rapids → Chicago → Kansas City
Timetable, Chicago time
10:38OO 285 from Grand Rapids at the gate
14:35UA 3425 to Kansas City leaves the gate
3 h 57 apart on the timetable
The last days
OO 285 and UA 3425 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.